Best Time to Visit Key West
United States · 30-year monthly climate averages
☀️ When to go
Based on 30 years of climate data, the most comfortable months to visit Key West are January, February and December, when daytime temperatures are agreeable and rainfall is relatively low.
Climate profile
Key West sees its warmest weather in August, when daytime highs average around 33°C, and its coolest in January (around 24°C).
Annual precipitation totals roughly 1027mm — September is typically the wettest month (~184mm) and March the driest (~39mm).
A distinctly wetter period runs from August to October — worth planning around if you prefer dry days.
Year at a glance
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
🔥 Recent heat vs normal
Daily forecast highs vs the 30-year normal — last 37 days
Each bar is one day: orange above normal, blue below.
Month by month
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 24° / 19°C | 47mm | 🌟 Great |
| February | 25° / 20°C | 39mm | 🌟 Great |
| March | 26° / 21°C | 39mm | 🌟 Great |
| April | 28° / 23°C | 53mm | 👍 Good |
| May | 30° / 25°C | 79mm | 👍 Good |
| June | 32° / 26°C | 107mm | 🤔 Fair |
| July | 32° / 27°C | 92mm | 🤔 Fair |
| August | 33° / 27°C | 136mm | 🤔 Fair |
| September | 32° / 26°C | 184mm | ⚠️ Challenging |
| October | 30° / 25°C | 144mm | 🤔 Fair |
| November | 27° / 22°C | 52mm | 🌟 Great |
| December | 25° / 20°C | 55mm | 🌟 Great |
FAQ
- What is the best time to visit Key West?
- Based on 30 years of climate data, the most comfortable months to visit Key West are January, February and December, when daytime temperatures are agreeable and rainfall is relatively low.
- What is the hottest month in Key West?
- August is typically the hottest month in Key West, with average daytime highs around 33°C.
- What is the rainiest month in Key West?
- September is usually the wettest month, with around 184mm of precipitation.