Key West, the southernmost city in the United States, is known for its tropical climate, beautiful beaches, and rich history. Whether you're planning a vacation or just curious about the weather in Key West, this article will provide you with all the information you need to know about the city's temperatures throughout the year.
Key West's climate is classified as tropical marine, with warm temperatures year-round. The average annual temperature is approximately 77°F (25°C), and the average daily high temperature ranges from 80°F (27°C) in January to 88°F (31°C) in August. The average daily low temperature ranges from 66°F (19°C) in January to 78°F (26°C) in August.
Now that you have an overview of Key West's climate, let's take a closer look at the temperatures by month.
Key West Temp by Month
Here are 8 important points about Key West's temperature by month:
- Tropical marine climate
- Warm temperatures year-round
- Average annual temperature: 77°F (25°C)
- Average daily high: 80-88°F (27-31°C)
- Average daily low: 66-78°F (19-26°C)
- Hottest month: August
- Mildest month: January
- Rainy season: May to October
Overall, Key West's climate is ideal for outdoor activities and beach vacations throughout the year.
Tropical Marine Climate
Key West's tropical marine climate is characterized by warm temperatures year-round, high humidity, and abundant rainfall.
- Consistent Warmth:
Key West's average annual temperature is a balmy 77°F (25°C). The daily high temperatures typically range from 80°F (27°C) in January to 88°F (31°C) in August, while the daily low temperatures range from 66°F (19°C) in January to 78°F (26°C) in August. This means that you can enjoy warm and pleasant weather in Key West no matter when you visit.
- High Humidity:
Key West's proximity to the ocean and the Gulf of Mexico contributes to its high humidity levels. The average relative humidity in Key West is around 77%, which can make the air feel muggy and uncomfortable at times. However, the constant sea breezes help to mitigate the humidity and make it more bearable.
- Abundant Rainfall:
Key West receives an average of 38 inches of rain per year, which is spread throughout the year. The rainy season typically lasts from May to October, with the heaviest rainfall occurring in June and September. During this time, you can expect frequent showers and thunderstorms, but they usually don't last long and often bring relief from the heat and humidity.
- Hurricanes:
Key West is located in an area that is prone to hurricanes. The hurricane season officially runs from June 1st to November 30th, with the peak season occurring in August and September. While hurricanes can cause significant damage, they are relatively rare in Key West. However, it's important to be prepared and stay informed about any potential storms.
Overall, Key West's tropical marine climate offers warm and pleasant weather year-round, with plenty of sunshine and refreshing sea breezes. However, visitors should be aware of the high humidity and the potential for hurricanes during the rainy season.
Warm Temperatures Year-Round
One of the best things about Key West is that you can enjoy warm temperatures year-round. This makes it a great destination for a beach vacation or a tropical getaway at any time of the year.
- Consistent Warmth:
Key West's average annual temperature is a balmy 77°F (25°C). This means that even in the coolest months of the year, the temperature rarely drops below 65°F (18°C). As a result, you can enjoy warm and pleasant weather in Key West no matter when you visit.
- Mild Winters:
Key West's winters are mild and short, with average temperatures in the low 70s °F (22-23°C) during the day and mid-60s °F (18-19°C) at night. This makes it an ideal destination for those looking to escape the cold and snow of the northern states during the winter months.
- Warm Summers:
Key West's summers are warm and humid, with average temperatures in the low 90s °F (33-34°C) during the day and mid-70s °F (24-25°C) at night. The high humidity can make it feel even hotter, but the constant sea breezes help to mitigate the heat and humidity and make it more bearable.
- Water Temperatures:
The water temperatures in Key West are warm year-round, averaging in the low 70s °F (22-23°C) in the winter and the low 80s °F (27-28°C) in the summer. This makes it ideal for swimming, snorkeling, diving, and other water activities.
Overall, Key West's warm temperatures year-round make it a great destination for those looking to enjoy a tropical vacation or escape the cold weather.
Average Annual Temperature: 77°F (25°C)
Key West's average annual temperature of 77°F (25°C) makes it one of the warmest cities in the United States. This means that you can enjoy warm and pleasant weather year-round, with mild winters and warm summers.
- Consistent Warmth:
Key West's temperature remains relatively consistent throughout the year, with average monthly temperatures ranging from 70°F (21°C) in January to 83°F (28°C) in August. This means that you can expect warm weather no matter when you visit Key West.
- Mild Winters:
Key West's winters are mild and short, with average temperatures in the low 70s °F (22-23°C) during the day and mid-60s °F (18-19°C) at night. This makes it an ideal destination for those looking to escape the cold and snow of the northern states during the winter months.
- Warm Summers:
Key West's summers are warm and humid, with average temperatures in the low 90s °F (33-34°C) during the day and mid-70s °F (24-25°C) at night. The high humidity can make it feel even hotter, but the constant sea breezes help to mitigate the heat and humidity and make it more bearable.
- Year-Round Activities:
Key West's warm temperatures year-round make it a great destination for a variety of outdoor activities. You can enjoy swimming, snorkeling, diving, fishing, boating, and other water sports year-round. You can also explore the island's many historical and cultural attractions, or simply relax on the beach and soak up the sun.
Overall, Key West's average annual temperature of 77°F (25°C) makes it a great destination for those looking to enjoy a tropical vacation or escape the cold weather.
Average Daily High: 80-88°F (27-31°C)
Key West's average daily high temperatures range from 80°F (27°C) in January to 88°F (31°C) in August. This means that you can expect warm and sunny weather throughout the year, even in the cooler months.
Warm Winters:
Key West's winters are mild and short, with average daily high temperatures in the low 80s °F (27-28°C). This makes it an ideal destination for those looking to escape the cold and snow of the northern states during the winter months. You can enjoy outdoor activities like swimming, snorkeling, and sunbathing without having to worry about freezing temperatures.
Hot Summers:
Key West's summers are warm and humid, with average daily high temperatures in the low 90s °F (33-34°C). The high humidity can make it feel even hotter, but the constant sea breezes help to mitigate the heat and humidity and make it more bearable. You can still enjoy outdoor activities during the summer months, but it's important to stay hydrated and take breaks from the sun to avoid heat exhaustion.
Year-Round Sunshine:
Key West receives an average of 3,200 sunshine hours per year, which is more than most other cities in the United States. This means that you can expect plenty of sunshine year-round, even during the rainy season. You can enjoy outdoor activities like swimming, snorkeling, diving, fishing, and boating almost every day of the year.
Overall, Key West's average daily high temperatures of 80-88°F (27-31°C) make it a great destination for those looking to enjoy warm and sunny weather year-round.
Whether you're looking to escape the cold weather, enjoy a tropical vacation, or simply relax on the beach, Key West is the perfect destination for you.
Average Daily Low: 66-78°F (19-26°C)
Key West's average daily low temperatures range from 66°F (19°C) in January to 78°F (26°C) in August. This means that you can expect warm and comfortable temperatures at night, even in the cooler months.
- Mild Winters:
Key West's winters are mild and short, with average daily low temperatures in the mid-60s °F (18-19°C). This makes it an ideal destination for those looking to escape the cold and snow of the northern states during the winter months. You can enjoy evening strolls, outdoor dining, and other activities without having to worry about freezing temperatures.
- Warm Summers:
Key West's summers are warm and humid, with average daily low temperatures in the mid-70s °F (24-25°C). The high humidity can make it feel even hotter, but the constant sea breezes help to mitigate the heat and humidity and make it more bearable. You can still enjoy outdoor activities during the summer months, but it's important to stay hydrated and take breaks from the sun to avoid heat exhaustion.
- Comfortable Nights:
Key West's average daily low temperatures make for comfortable nights year-round. You can enjoy a leisurely walk after dinner, sit outside and enjoy the sunset, or simply relax on your hotel balcony and take in the warm evening air.
- Year-Round Outdoor Activities:
Key West's warm and comfortable temperatures at night make it possible to enjoy a variety of outdoor activities year-round. You can go for a swim in the ocean, take a sunset cruise, or simply relax on the beach and stargaze.
Overall, Key West's average daily low temperatures of 66-78°F (19-26°C) make it a great destination for those looking to enjoy warm and comfortable weather year-round.
Hottest Month: August
August is the hottest month in Key West, with average daily high temperatures of 88°F (31°C) and average daily low temperatures of 78°F (26°C). This is the time of year when the sun is strongest and the humidity is at its highest.
- Hot and Humid:
August in Key West is characterized by hot and humid weather. The high humidity can make it feel even hotter than the actual temperature, so it's important to stay hydrated and take breaks from the sun to avoid heat exhaustion.
- Afternoon Showers:
August is also the wettest month in Key West, with an average of 7 inches of rain. However, the rain typically comes in the form of brief afternoon showers, so it's unlikely to ruin your vacation plans.
- Water Activities:
The warm water temperatures in August make it ideal for swimming, snorkeling, diving, and other water activities. You can also enjoy a variety of water sports, such as jet skiing, parasailing, and windsurfing.
- Outdoor Activities:
Despite the heat and humidity, there are still plenty of outdoor activities you can enjoy in Key West in August. You can take a walk or bike ride along the beach, visit the many historical and cultural attractions, or simply relax on the beach and soak up the sun.
Overall, August is a great time to visit Key West if you're looking for hot and sunny weather. Just be sure to stay hydrated and take breaks from the sun to avoid heat exhaustion.
Mildest Month: January
January is the mildest month in Key West, with average daily high temperatures of 75°F (24°C) and average daily low temperatures of 62°F (17°C). This is the time of year when the weather is at its most comfortable, with plenty of sunshine and low humidity.
Pleasant Weather:
January in Key West is characterized by pleasant and mild weather. The days are warm and sunny, while the evenings are cool and refreshing. This makes it an ideal time to enjoy outdoor activities without having to worry about the heat and humidity.
Perfect for Outdoor Activities:
The mild weather in January makes it perfect for a variety of outdoor activities. You can enjoy swimming, snorkeling, diving, fishing, boating, and other water sports. You can also explore the island's many historical and cultural attractions, or simply relax on the beach and soak up the sun.
Cultural Events:
January is also a great time to visit Key West for its cultural events. The island hosts a number of festivals and events throughout the month, including the Key West Literary Seminar, the Key West Food & Wine Festival, and the Key West Marlin Tournament.
Overall, January is a great time to visit Key West if you're looking for mild and comfortable weather, plenty of sunshine, and a variety of outdoor activities and cultural events.
Whether you're looking to escape the cold weather, enjoy a tropical vacation, or simply relax on the beach, Key West in January is the perfect destination for you.
Rainy Season: May to October
Key West's rainy season typically lasts from May to October, with the heaviest rainfall occurring in June and September. During this time, you can expect frequent showers and thunderstorms, but they usually don't last long and often bring relief from the heat and humidity.
- Increased Rainfall:
Key West receives an average of 38 inches of rain per year, with the majority of it falling during the rainy season. This means that you can expect to see more rain and thunderstorms during these months.
- Brief Showers:
The rain in Key West during the rainy season typically comes in the form of brief and heavy showers. These showers can cause flooding in low-lying areas, but they usually don't last long. You can still enjoy outdoor activities during the rainy season, but it's a good idea to have a raincoat or umbrella handy.
- Relief from the Heat:
The rain and thunderstorms during the rainy season can provide a welcome relief from the heat and humidity. The showers can help to cool down the air and make it more comfortable to be outdoors.
- Lush Vegetation:
The rainy season is also the time when Key West's vegetation is at its most lush and green. The island comes alive with color as the flowers and plants bloom. This makes it a great time to visit Key West for nature lovers and photographers.
Overall, the rainy season in Key West is not as bad as you might think. The showers are usually brief and don't last long. Plus, the lush vegetation and relief from the heat and humidity make it a great time to visit the island.
FAQ
Here are some frequently asked questions about Key West's weather by month:
Question 1: What is the hottest month in Key West?
Answer 1: August is the hottest month in Key West, with average daily high temperatures of 88°F (31°C) and average daily low temperatures of 78°F (26°C).
Question 2: What is the mildest month in Key West?
Answer 2: January is the mildest month in Key West, with average daily high temperatures of 75°F (24°C) and average daily low temperatures of 62°F (17°C).
Question 3: What is the rainy season in Key West?
Answer 3: Key West's rainy season typically lasts from May to October, with the heaviest rainfall occurring in June and September.
Question 4: How much rain does Key West receive during the rainy season?
Answer 4: Key West receives an average of 38 inches of rain per year, with the majority of it falling during the rainy season.
Question 5: What is the average annual temperature in Key West?
Answer 5: Key West's average annual temperature is 77°F (25°C).
Question 6: What are the water temperatures like in Key West?
Answer 6: The water temperatures in Key West are warm year-round, averaging in the low 70s °F (22-23°C) in the winter and the low 80s °F (27-28°C) in the summer.
Question 7: What is the best time to visit Key West?
Answer 7: The best time to visit Key West depends on your preferences. If you're looking for warm and sunny weather, the best time to visit is during the dry season, which runs from November to April. If you don't mind the rain, the rainy season (May to October) can be a great time to visit as well, as you'll find fewer crowds and lower prices.
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These are just a few of the most frequently asked questions about Key West's weather by month. If you have any other questions, please feel free to ask.
Now that you know more about Key West's weather, here are some tips for planning your trip:
Tips
Here are some tips for planning your trip to Key West, based on the weather by month:
Tip 1: Consider the Weather When Planning Your Activities
When planning your activities in Key West, be sure to take the weather into account. For example, if you're visiting during the rainy season, you may want to plan some indoor activities in case of rain. Or, if you're visiting during the hottest months, you may want to plan your outdoor activities for the early morning or evening hours.
Tip 2: Pack Appropriate Clothing
Be sure to pack appropriate clothing for the weather in Key West. This means light and airy clothing for the warm months, and a light jacket or sweater for the cooler months. You may also want to pack a raincoat or umbrella during the rainy season.
Tip 3: Stay Hydrated
It's important to stay hydrated, especially during the hot and humid months. Drink plenty of water throughout the day, even if you don't feel thirsty. You can also drink fruit juices, coconut water, or sports drinks to replenish your electrolytes.
Tip 4: Take Breaks from the Sun
It's also important to take breaks from the sun, especially during the hottest hours of the day. Find a shady spot to relax, or go for a swim in the ocean or pool. You can also visit one of Key West's many museums or art galleries.
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By following these tips, you can help ensure that you have a safe and enjoyable trip to Key West, no matter what time of year you visit.
Now that you know more about Key West's weather by month and have some tips for planning your trip, you're ready to start planning your dream vacation.
Conclusion
Key West's weather is a major draw for visitors from all over the world. The warm and sunny weather year-round makes it a great destination for a beach vacation, a tropical getaway, or simply a relaxing escape from the cold weather.
In this article, we've discussed Key West's weather by month, including the average temperatures, rainfall, and humidity. We've also provided some tips for planning your trip to Key West, based on the weather.
Whether you're looking to escape the cold weather, enjoy a tropical vacation, or simply relax on the beach, Key West is the perfect destination for you. With its warm and sunny weather year-round, there's no bad time to visit Key West.
So start planning your dream vacation to Key West today!