The climate of Key West
What is the climate like in Key West?
The climate of Key West has an average yearly temperature of 30°C. Throughout the year, the average monthly temperature can drop to 24°C and rise to 33°C.
Annually, about 945 mm of rain falls. This gives a good overview of how much rain to expect in Key West.
The best time to visit Key West is January until April, June, July, November and December. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Key West.
The hurricane season in Key West lasts from early June to late November.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 24 | 26 | 27 | 29 | 30 | 31 | 33 | 33 | 32 | 30 | 28 | 26 |
| Rainfall (mm) | 42 | 32 | 24 | 55 | 93 | 88 | 86 | 107 | 190 | 99 | 52 | 77 |
Table of contents
- Average yearly temperature: 30°C
- Highest temperature: 33°C in July and August
- Lowest temperature: 24°C in January
- Rainfall: 945 mm per year, averaging 79 mm by month
- Driest months: 24 mm in March, 32 mm in February and 42 mm in January
- Wettest months: 190 mm in September, 107 mm in August and 99 mm in October
Climate table Key West
The climate table for Key West shows the average temperatures, rainfall, and UV index by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 24 | 26 | 27 | 29 | 30 | 31 | 33 | 33 | 32 | 30 | 28 | 26 |
| Nighttime temperature (°C) | 20 | 21 | 22 | 24 | 26 | 27 | 28 | 28 | 28 | 26 | 24 | 22 |
| Rainfall (mm) | 42 | 32 | 24 | 55 | 93 | 88 | 86 | 107 | 190 | 99 | 52 | 77 |
| UV Index | 6 | 6 | 8 | 9 | 8 | 7 | 9 | 8 | 8 | 7 | 6 | 6 |
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Temperature by month in Key West
This graph shows the average high temperatures in degrees Celsius for each month in Key West, Florida
Rainfall by month in Key West
This graph shows the average monthly rainfall in millimeters in Key West, Florida.
UV index by month in Key West
This graph shows the average UV index by month in Key West, Florida.
Yearly temperature in Key West
This graph shows the average yearly temperature in Key West, Florida, measured in degrees Celsius.
Yearly total rainfall in Key West
This graph shows the average yearly rainfall in millimeters in Key West, Florida.
Weather experiences in Key West
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Average weather in Key West by month
Click on a month below to see in detail how the weather typically is in Key West and what to expect. Based on the historical weather data of Key West, you can view the average temperature, rainfall, wind, and UV index for each day of the month.