Key West Weather: January
 |
Average Day Temperature: | 74.5°F |
|
Average Night Temperature: | 71.5°F |
|
Sea Water Temperature: | 75.7°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 10.6 - 11.0 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.2 in | |
| detailed information | ||
forecast
| Key West |
Temperature
| Key West |
Air Temperature in January, °F
| Day Temperature | Night Temperature |
The highest day temperature in January 2025 was 76°F. The lowest night temperature was 61°F. The average values for day and night temperatures during January were 69.4°F и 69.1°F respectivly.
Key West Water Sea Temperature in January, °F
The average sea surface temperature in January 2025 for Key West was 72.5°F. The maximum and minimum values were 67.8°F and 78.4°F respectively.
| Sunny days | |
| Cloudy days | |
| Gloomy days |
You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in January, in
Precipitation total in January for Key West is 1.2 in. It makes january one of the least rainy months of the year.
The average wind speed in January is 13.8 mph. It makes January one of the most windy months of the year for Key West.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Key West in January is 6.1 hours.
Key West on the Weather Map
| Boston |  |
+40 |
| Chicago | |
+56 |
| Hawaii |  |
+78 |
| Honolulu | |
+78 |
| Houston | |
+82 |
| Las Vegas |  |
+84 |
| Los Angeles |  |
+66 |
| Miami | |
+80 |
| New York | |
+56 |
| Orlando | |
+86 |
| San Diego | |
+66 |
| San Francisco | |
+54 |
| Sarasota | |
+82 |
| Tampa | |
+86 |
| Washington | |
+58 |
| 1800 |  |
78°F | S 5 mph |
| 2100 |  |
76°F | SW 7 mph |
| 0000 |  |
78°F | W 11 mph |
| 0300 |  |
76°F | W 14 mph |
| 0600 | |
76°F | W 14 mph |
| 0900 |  |
76°F | W 16 mph |
| 1200 | |
78°F | W 15 mph |
| 1500 | |
78°F | W 13 mph |