Key West (FL)
January
Weather in Key West, Florida for January 2026
Your guide to Key West weather in January - trends and predictions
Special Weather Statement - See hour by hour.
Until now, January 2026 in Key West is slightly cooler than the historical average by -0.6 °F.
The forecast for the next days in Key West predicts temperatures to be around 18 °F, close to the historical average.
In general, the average temperature in Key West at the beginning of January is 21.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.4 °F by the end of January.
Key West experiences moderate rainfall in January, with an average of 6 rainy days and a total precipitation of 38.9 mm.
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Temperatures
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25
Dry days
6
Rainy days
0
Snow days
21°/19°
Temperatures
31 km/h
Avg max wind
82 %
Avg humidity
Key West Weather January
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Temperatures trend during January in Key West
See the weather trend as well as the moving average line
January weather in Key West day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Partly cloudy | 19° /18° | 0 mm | 4 | |
| Jan. 2 | Partly cloudy | 20° /18° | 0 mm | 5 | |
| Jan. 3 |  Patchy rain possible | 22° /19° | 0 mm | 4 | |
| Jan. 4 |  Sunny | 22° /19° | 0 mm | 5 | |
| Jan. 5 |  Overcast | 22° /19° | 0.1 mm | 4 | |
| Jan. 6 | Patchy rain possible | 22° /20° | 0.4 mm | 3 | |
| Jan. 7 | Patchy rain possible | 22° /18° | 1.6 mm | 3 | |
| Jan. 8 | Patchy rain possible | 21° /18° | 0.1 mm | 4 | |
| Jan. 9 | Patchy rain possible | 22° /20° | 1.4 mm | 4 | |
| Jan. 10 | Patchy rain possible | 23° /19° | 0.4 mm | 4 | |
| Jan. 11 | Patchy rain possible | 23° /20° | 0.4 mm | 4 | |
| Jan. 12 | Partly cloudy | 22° /21° | 0.1 mm | 5 | |
| Jan. 13 | Overcast | 23° /19° | 0.2 mm | 4 | |
| Jan. 14 | Patchy rain possible | 22° /19° | 0.2 mm | 4 | |
| Jan. 15 | Patchy rain possible | 22° /20° | 0.4 mm | 4 | |
| Jan. 16 | Patchy rain possible | 22° /18° | 1.1 mm | 4 | |
| Jan. 17 | Patchy rain possible | 22° /18° | 18.7 mm | 4 | |
| Jan. 18 | Patchy rain possible | 22° /19° | 0.1 mm | 5 | |
| Jan. 19 | Overcast | 22° /19° | 0 mm | 4 | |
| Jan. 20 | Patchy rain possible | 22° /17° | 13.1 mm | 4 | |
| Jan. 21 |  Cloudy | 22° /18° | 0 mm | 5 | |
| Jan. 22 | Patchy rain possible | 23° /19° | 0.3 mm | 4 | |
| Jan. 23 | Patchy rain possible | 20° /19° | 0.2 mm | 3 | |
| Jan. 24 | Partly cloudy | 20° /18° | 0.4 mm | 4 | |
| Jan. 25 | Light rain shower | 22° /19° | 1.8 mm | 4 | |
| Jan. 26 | Overcast | 23° /20° | 1.9 mm | 4 | |
| Jan. 27 | Partly cloudy | 17° /14° | 0 mm | 1.4 | |
| Jan. 28 | Cloudy | 17° /16° | 0 mm | 0.7 | |
| Jan. 29 | Overcast | 19° /17° | 0 mm | 1.4 | |
| Jan. 30 | Partly cloudy | 19° /17° | 0 mm | 0 | |
| Jan. 31 | Patchy rain possible | 19° /13° | 3.9 mm | 4 | |
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Important Notice
Our weather forecast for Key West in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Key West forecast closer to your planned date for the most up-to-date weather information.
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Key West in January - FAQ
What are the expected maximum and minimum temperatures in Key West during January?
During January, expect a variety of temperatures with highs around 21° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Key West during January?
In January, Key West can expect light to moderate rainfall, totaling 38.9 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Key West during January?
The average wind speed in Key West during January is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Key West
Explore the daily rainfall trends and prepare for Key Wests January weather 💧
Typically, Key West has 6 rainy days in January with a total of 38.9 mm of rainfall.
UV exposure in Key West during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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