What’s the climate like in Key West?
The current climate of Key West features average monthly temperatures ranging from highs of 33°C during the day to lows of 24°C. The average yearly temperature is around 30°C. At night, temperatures in the colder months average around 19°C and in the warmer months around 28°C.
The highest temperature recorded in Key West in recent years was 42°C in April 2014. The lowest daytime temperature recorded was 14°C in January 2022.
On average, Key West receives 954 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
The hurricane season in Key West runs from June to November.
Best time to visit Key West?
The best time to visit Key West for sunny weather is January through August and October through December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Key West. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Key West
The climate table of Key West shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 24 | 26 | 27 | 29 | 30 | 31 | 33 | 33 | 32 | 30 | 28 | 26 |
| Temp. min (°C) | 20 | 21 | 22 | 24 | 26 | 27 | 28 | 28 | 28 | 26 | 24 | 22 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| Precipitation (mm) | 42 | 41 | 24 | 55 | 93 | 88 | 86 | 107 | 190 | 99 | 52 | 77 |
| UV Index | 6 | 7 | 8 | 9 | 8 | 7 | 9 | 8 | 8 | 7 | 6 | 6 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 30°C
- Highest temperature: 33°C in July and August
- Lowest temperature: 24°C in January
- Precipitation: 954 mm per year, averaging 80 mm per month
- Driest months: 24 mm in March, 41 mm in February and 42 mm in January
- Wettest months: 190 mm in September, 107 mm in August and 99 mm in October
Plan your next holiday
Don’t miss the best holiday deals for Key West and see what our partners have for you.
Table of Contents
Average Temperature per Month in Key West
This graph shows the average maximum temperatures per month in Key West, Florida. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Key West
This graph shows how much precipitation Key West, Florida, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Key West
This graph shows the average UV index per month in Key West, Florida. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Key West
This graph shows the average yearly temperature in Key West, Florida. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Key West
This chart shows the total yearly precipitation in Key West, Florida, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Key West
The weather in Key West is rated an average of 0 out of 5 stars by 4 visitors. Have you been to Key West? Share your weather experience to help other visitors.
Have you been to Key West?
Share your weather experiences in Key West.
Average Weather in Key West by Month
Click on a month below to see detailed weather info for Key West. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
