Key West, Florida, a vibrant island city at the southernmost point of the United States, welcomes visitors year-round with its tropical climate and rich cultural heritage. Whether you're a sun-seeker, a history buff, or a nature enthusiast, Key West has something to offer everyone.
The weather in Key West is influenced by its subtropical location, warm Gulf Stream currents, and prevailing trade winds. The island experiences mild winters and hot, humid summers, with a relatively stable temperature throughout the year. This makes it an appealing destination for those looking to escape colder climates or enjoy outdoor activities.
To help you plan your trip to Key West, we've compiled a comprehensive guide to the weather conditions, seasonal variations, and tips for packing and sightseeing.
Weather in Key West, Florida
Tropical climate, mild winters, hot summers.
- Year-round warm temperatures
- Stable subtropical climate
- Summer: hot, humid
- Winter: mild, pleasant
- Trade winds: cooling effect
- Gulf Stream: moderates temperatures
- Rainy season: June to October
- Hurricane season: June to November
- Average annual rainfall: 38 inches
- Water temperature: warm, suitable for swimming
Key West weather offers something for everyone, from sun-seekers to water enthusiasts. Pack light clothing, sunscreen, and consider a raincoat during the rainy season.
Year-round warm temperatures
Key West boasts a subtropical climate that offers consistently warm temperatures throughout the year. This makes it an ideal destination for those seeking to escape colder climates or enjoy outdoor activities without having to worry about extreme heat or cold.
- Average annual temperature:
77°F (25°C)
- Summer average high:
88°F (31°C)
- Winter average low:
60°F (16°C)
- Water temperature:
Consistently warm, averaging around 78°F (26°C)
Even during the cooler months, Key West's temperatures rarely drop below 60°F (16°C), making it a great place to enjoy outdoor activities like swimming, fishing, and boating all year round. With its warm climate, Key West is a tropical paradise that offers endless opportunities for outdoor recreation and relaxation.
Stable subtropical climate
Key West's stable subtropical climate is characterized by mild winters, hot summers, and a relatively narrow temperature range throughout the year. This stability is primarily due to the island's location in the subtropics, where prevailing trade winds and the warm waters of the Gulf Stream help to moderate extreme temperatures.
Trade winds: The constant flow of trade winds from the east helps to cool the island, especially during the hot summer months. These winds also help to prevent the formation of hurricanes, making Key West a relatively safe place to visit during the Atlantic hurricane season (June to November).
Gulf Stream: The warm waters of the Gulf Stream, which flow along the Florida coast, also play a role in stabilizing Key West's climate. The Gulf Stream keeps the ocean temperatures warm, which helps to moderate the island's air temperatures and prevents extreme cold fronts from reaching the island.
As a result of these factors, Key West experiences a stable subtropical climate that is ideal for outdoor activities and year-round tourism. The island's mild winters and hot summers offer something for everyone, from sun-seekers to water enthusiasts.
Whether you're planning a beach vacation, a fishing trip, or a romantic getaway, Key West's stable subtropical climate is sure to provide the perfect backdrop for your vacation.
Summer: hot, humid
Key West's summers are typically hot and humid, with average high temperatures in the upper 80s to low 90s Fahrenheit (30-34°C). The humidity levels can also be quite high, especially during the late afternoon and evening hours. This can make it feel even hotter than the actual temperature.
The combination of heat and humidity can make it feel oppressive at times, especially for those who are not used to tropical climates. However, there are a few things you can do to stay cool and comfortable during the summer months in Key West:
- Stay hydrated: Drink plenty of water throughout the day, even if you don't feel thirsty. This will help to keep your body cool and prevent dehydration.
- Wear light, loose clothing: Cotton and other natural fibers are best, as they allow your skin to breathe.
- Take advantage of the trade winds: The trade winds can provide a refreshing breeze, especially near the coast. Look for shady spots to relax and enjoy the breeze.
- Spend time in the water: Swimming, snorkeling, and other water activities are great ways to cool off and beat the heat.
Despite the heat and humidity, summer is a great time to visit Key West. The island is alive with activity, and there are plenty of things to see and do, both indoors and outdoors.
If you're planning a summer trip to Key West, be sure to pack light, loose clothing, sunscreen, and a hat. You may also want to consider bringing a small fan or mister to help you stay cool.
Winter: mild, pleasant
Key West's winters are mild and pleasant, with average high temperatures in the mid-70s Fahrenheit (24°C) and average low temperatures in the mid-60s Fahrenheit (18°C). While there can be occasional cold fronts that bring cooler temperatures, these are typically short-lived. The humidity levels are also lower in the winter, making it feel more comfortable.
- Perfect for outdoor activities: The mild winter weather makes it ideal for enjoying outdoor activities such as walking, biking, and fishing.
- Great for special events: Key West hosts a number of special events and festivals in the winter months, including the Key West Food and Wine Festival and the Key West Half Marathon.
- Excellent for wildlife viewing: The winter months are a great time to spot wildlife in Key West. You may see manatees, turtles, and even an occasional dolphin.
- Pleasant for stargazing: The clear skies and mild temperatures of the winter months make it a great time for stargazing. You can even see the stars from the beach on a clear night.
Whether you're looking for a relaxing getaway or a fun-filled vacation, Key West's mild and pleasant winter weather is sure to provide the perfect backdrop for your trip.
Trade winds: cooling effect
The trade winds are a major factor in Key West's stable and pleasant climate. These winds blow from east to west across the Atlantic Ocean, and they help to keep Key West cool and comfortable, even during the hot summer months.
The trade winds work in two ways to cool Key West:
- Direct cooling: The trade winds blow across the ocean, picking up moisture and cooling it. When these winds reach Key West, they release the moisture as rain, which helps to lower the temperature.
- Evaporation: The trade winds also help to cool Key West by promoting evaporation. As the winds blow across the island, they carry away moisture from the surface of the water and the land. This evaporation process also helps to lower the temperature.
The trade winds also help to prevent the formation of hurricanes in Key West. Hurricanes typically form over warm ocean waters, and the trade winds help to keep the waters around Key West cooler than the waters in the Gulf of Mexico. This makes it less likely for a hurricane to form near Key West.
Overall, the trade winds play a vital role in Key West's climate. They help to keep the island cool and comfortable, and they also help to protect the island from hurricanes.
If you're planning a trip to Key West, you can expect to enjoy the cooling effects of the trade winds. Be sure to pack light, loose clothing and sunscreen, and consider bringing a small fan or mister to help you stay cool.
Gulf Stream: moderates temperatures
The Gulf Stream is a warm ocean current that flows along the southeastern coast of the United States, including Key West. The Gulf Stream helps to moderate Key West's temperatures by keeping the waters around the island warm, even during the winter months.
- Stable winter temperatures: The Gulf Stream helps to keep Key West's winter temperatures mild and pleasant. Even during the coolest months, the average low temperature in Key West is in the mid-60s Fahrenheit (18°C).
- Less extreme summer temperatures: The Gulf Stream also helps to moderate Key West's summer temperatures. While the summers can be hot and humid, the Gulf Stream helps to prevent the temperatures from becoming excessively hot.
- Warm water for swimming and other water activities: The Gulf Stream keeps the waters around Key West warm, making it ideal for swimming, snorkeling, and other water activities. The water temperature in Key West typically ranges from the mid-70s to the low 80s Fahrenheit (24-28°C) year-round.
- Supports a diverse marine ecosystem: The warm waters of the Gulf Stream support a diverse marine ecosystem, including a variety of fish, sea turtles, and dolphins.
Overall, the Gulf Stream plays a vital role in moderating Key West's climate and making it a great place to visit year-round.
Rainy season: June to October
Key West's rainy season typically lasts from June to October, with September being the wettest month. During this time, the island experiences frequent showers and thunderstorms, which can sometimes be heavy and cause flooding. However, the rain usually doesn't last all day, and there is still plenty of sunshine to enjoy.
- Short-lived showers: Most showers and thunderstorms in Key West during the rainy season are short-lived, lasting only a few minutes or hours. This means that you can still enjoy plenty of outdoor activities, even during the rainy season.
- Sunshine in between showers: Even during the rainy season, Key West typically gets plenty of sunshine. This means that you can still enjoy the island's beaches, pools, and other outdoor attractions, even if there is some rain.
- Lower hotel rates: The rainy season is typically a slower time for tourism in Key West, which means that you can often find lower hotel rates and other discounts.
- Fewer crowds: The rainy season is also a great time to visit Key West if you prefer to avoid the crowds. The island is typically less crowded during this time of year.
Overall, the rainy season in Key West is not as bad as it may sound. While there is some rain, there is still plenty of sunshine and plenty of things to see and do. If you're planning a trip to Key West during the rainy season, be sure to pack an umbrella or raincoat, and consider bringing a change of clothes in case you get caught in a shower.
Hurricane season: June to November
Hurricane season in Key West typically runs from June to November, with the peak of the season occurring in September. During this time, the island is at risk of being hit by a hurricane, which can cause significant damage and flooding.
- Be prepared: It's important to be prepared for the possibility of a hurricane if you're planning a trip to Key West during hurricane season. This includes having a hurricane preparedness kit, which should include food, water, first aid supplies, and a battery-powered radio.
- Stay informed: It's also important to stay informed about the latest hurricane forecasts. The National Hurricane Center provides regular updates on tropical storms and hurricanes, and you can also sign up for alerts from the Key West Office of Emergency Management.
- Evacuate if necessary: If a hurricane is approaching Key West, you may be asked to evacuate. It's important to follow the instructions of local officials and evacuate to a safe location.
- Don't take risks: Never drive through flooded areas or attempt to cross a flooded road. Even a few inches of water can cause your car to stall.
While hurricanes can be dangerous, it's important to remember that they are relatively rare. In fact, Key West has only been hit by a major hurricane once in the past 30 years. However, it's always best to be prepared, just in case.
Average annual rainfall: 38 inches
Key West receives an average of 38 inches of rain per year, which is relatively low compared to other parts of Florida. However, most of this rain falls during the rainy season, which lasts from June to October. During this time, Key West can experience heavy showers and thunderstorms, which can sometimes cause flooding.
- Short-lived showers: Most showers and thunderstorms in Key West are short-lived, lasting only a few minutes or hours. This means that you can still enjoy plenty of outdoor activities, even during the rainy season.
- Sunshine in between showers: Even during the rainy season, Key West typically gets plenty of sunshine. This means that you can still enjoy the island's beaches, pools, and other outdoor attractions, even if there is some rain.
- Dry season: The dry season in Key West lasts from November to May. During this time, the island receives very little rain, and the weather is typically sunny and mild.
- Water conservation: Key West is a water-scarce island, so it's important to conserve water whenever possible. This includes taking shorter showers, fixing leaky faucets, and watering your lawn less often.
Overall, Key West's average annual rainfall is relatively low, and the island enjoys plenty of sunshine year-round. However, it's important to be aware of the rainy season and to take precautions to stay safe during this time.
Water temperature: warm, suitable for swimming
Key West's water temperature is warm and inviting year-round, making it a great place for swimming, snorkeling, and other water activities. The average water temperature ranges from the mid-70s Fahrenheit (24°C) in the winter to the low 80s Fahrenheit (28°C) in the summer.
- Comfortable for swimming: The warm water temperature makes Key West a great place for swimming, even for those who don't like cold water. The water is also very clear, so you can easily see the marine life below.
- Great for snorkeling and diving: The warm water temperature also makes Key West a great place for snorkeling and diving. There are a variety of dive sites to choose from, both shallow and deep, and you can see a variety of marine life, including tropical fish, sea turtles, and dolphins.
- Water sports: The warm water temperature also makes Key West a great place for water sports, such as jet skiing, kayaking, and paddleboarding. You can also take a boat trip to one of the nearby islands.
- Relaxation: The warm water temperature is also perfect for simply relaxing on the beach or by the pool. You can soak up the sun, read a book, or just enjoy the peace and quiet.
Overall, Key West's warm water temperature is one of the island's biggest attractions. It makes it a great place to enjoy a variety of water activities, from swimming and snorkeling to water sports and relaxation.
FAQ
Here are some frequently asked questions about Key West, Florida:
Question 1: What is the best time to visit Key West?
Answer: The best time to visit Key West is during the dry season, which runs from November to May. During this time, the weather is typically sunny and mild, with average temperatures in the 70s Fahrenheit (21-27°C).
Question 2: What are some of the most popular things to do in Key West?
Answer: Some of the most popular things to do in Key West include swimming, snorkeling, diving, fishing, boating, kayaking, paddleboarding, jet skiing, and visiting the many historical and cultural attractions, such as the Ernest Hemingway Home and Museum, the Key West Aquarium, and the Key West Shipwreck Museum.
Question 3: What is the best way to get around Key West?
Answer: The best way to get around Key West is by bike or golf cart. You can also use the public transportation system, which includes buses and a trolley. Taxis and Uber are also available.
Question 4: Where are some good places to eat in Key West?
Answer: Key West has a wide variety of restaurants to choose from, serving everything from fresh seafood to Cuban cuisine. Some of the most popular restaurants include Latitudes, Conch Republic Seafood Company, El Siboney, and Blue Heaven.
Question 5: Where are some good places to stay in Key West?
Answer: Key West has a variety of hotels and resorts to choose from, ranging from budget-friendly options to luxury accommodations. Some of the most popular places to stay include The Marker Key West, The Perry Hotel Key West, and Sunset Key Cottages.
Question 6: What are some tips for planning a trip to Key West?
Answer: Here are a few tips for planning a trip to Key West:
- Book your accommodations and activities in advance, especially if you're traveling during the peak season.
- Pack light clothing, sunscreen, a hat, and sunglasses.
- Bring a swimsuit and beach towel if you plan on swimming or sunbathing.
- Be prepared for the possibility of rain, especially during the rainy season.
- Take advantage of the many free things to do in Key West, such as visiting the beaches, parks, and museums.
Question 7: What are some interesting facts about Key West?
Answer: Here are some interesting facts about Key West:
- Key West is the southernmost point in the continental United States.
- Key West is home to the only living coral reef in the continental United States.
- Key West is known for its vibrant nightlife, including many bars and clubs.
- Key West is a popular destination for fishing and diving.
- Key West is home to many historical and cultural attractions, including the Ernest Hemingway Home and Museum, the Key West Aquarium, and the Key West Shipwreck Museum.
Closing Paragraph for FAQ
These are just a few of the many frequently asked questions about Key West. For more information, please visit the Key West Chamber of Commerce website or the Key West Tourist Development Council website.
Now that you know more about Key West, here are a few tips to help you plan your trip:
Tips
Here are a few tips to help you plan your trip to Key West, Florida:
Tip 1: Book your accommodations and activities in advance, especially if you're traveling during the peak season.
Key West is a popular tourist destination, so it's important to book your accommodations and activities in advance, especially if you're traveling during the peak season (November to April). This will help you avoid disappointment and ensure that you get the best rates.
Tip 2: Pack light clothing, sunscreen, a hat, and sunglasses.
Key West has a tropical climate, so you'll want to pack light clothing, sunscreen, a hat, and sunglasses. You may also want to pack a swimsuit and beach towel if you plan on swimming or sunbathing.
Tip 3: Be prepared for the possibility of rain, especially during the rainy season.
Key West's rainy season runs from June to October. During this time, the island can experience heavy showers and thunderstorms. Be sure to pack a raincoat or umbrella, and be prepared to adjust your plans if necessary.
Tip 4: Take advantage of the many free things to do in Key West.
Key West has a variety of free things to do, such as visiting the beaches, parks, and museums. You can also take a walk or bike ride along the waterfront, or simply relax and enjoy the island's laid-back atmosphere.
Tip 5: Don't forget to try the local seafood.
Key West is known for its fresh seafood. Be sure to try some of the local specialties, such as conch fritters, lobster, and stone crab.
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These are just a few tips to help you plan your trip to Key West. For more information, please visit the Key West Chamber of Commerce website or the Key West Tourist Development Council website.
Now that you know more about Key West and have some tips for planning your trip, it's time to start dreaming about your vacation in paradise.
Conclusion
Key West is a vibrant and unique island city with something to offer everyone. Whether you're looking for a relaxing beach vacation, an exciting water sports adventure, or a chance to explore a rich cultural history, Key West has it all.
In this article, we've covered some of the key things you need to know about Key West's weather, including the year-round warm temperatures, stable subtropical climate, hot and humid summers, mild and pleasant winters, and the rainy and hurricane seasons. We've also provided some tips for planning your trip, such as booking your accommodations and activities in advance, packing light clothing and sunscreen, and being prepared for the possibility of rain. Remember to sample fresh seafood dishes and take advantage of several free activities the island offers.
No matter when you visit, Key West is sure to leave you with lasting memories. So come on down and experience the magic of Key West for yourself!