Click on a day for an hourly weather forecast
The weather in Key West in January is hot. The average temperatures are between 20°C and 22°C.
You can expect about 3 to 8 days of rain in Key West during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Key West in January 2025.
If you’re planning to visit Key West in the near future, we highly recommend that you review the 14 day weather forecast for Key West before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 22° / 20° | 3 | 28 | 0 | 67 mm | Good | Key West in January |
| February | 23° / 21° | 2 | 26 | 0 | 60 mm | Perfect | Key West in February |
| March | 23° / 22° | 1 | 30 | 0 | 36 mm | Perfect | Key West in March |
| April | 25° / 24° | 3 | 27 | 0 | 81 mm | Perfect | Key West in April |
| May | 27° / 26° | 6 | 25 | 0 | 150 mm | Perfect | Key West in May |
| June | 28° / 27° | 9 | 21 | 0 | 198 mm | Good | Key West in June |
| July | 29° / 28° | 10 | 21 | 0 | 221 mm | Ok | Key West in July |
| August | 30° / 28° | 11 | 20 | 0 | 260 mm | Ok | Key West in August |
| September | 29° / 28° | 12 | 18 | 0 | 286 mm | Ok | Key West in September |
| October | 28° / 27° | 8 | 23 | 0 | 251 mm | Good | Key West in October |
| November | 25° / 24° | 3 | 27 | 0 | 93 mm | Perfect | Key West in November |
| December | 24° / 22° | 2 | 29 | 0 | 70 mm | Perfect | Key West in December |