Florida Keys Weather in January
January in Florida Keys averages 24°C (75°F) during the day and 17°C (63°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.
Rainfall in Florida Keys in January
Records from the past 30 years suggest around 9 days of rain, with 37 mm (1.5 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Florida Keys in January
January is a perfect month in Florida Keys, with 24°C (75°F) during the day and 17°C (63°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. While this month tends to be on the cooler side compared to others, the days remain pleasantly warm.
Sunshine in Florida Keys in January
There are approximately 250 hours of sunshine this month, resulting in mostly clear days.If you're a fan of comfortable temperatures and drier conditions, January is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Florida Keys's climate page.
Florida Keys Temperature in January
Min Temperature
17°C (63°F)
Max Temperature
24°C (75°F)
Chance of Rain
28%
Precipitation
37 mm (1.5 in)
Rainy days
9 days
Humidity
77%
Sunshine
250 hours
Percentage Sunshine
75%
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Florida Keys typically stay consistent throughout January, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 18°C (64°F).
Average temperatures in January
Daily Historical Precipitation
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Florida Keys in January
Browse day-by-day weather records for Florida Keys spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Florida Keys historical weather extremes in January
Our historical data for Florida Keys spans 2004 to 2025, revealing these weather extremes.
- Florida Keys recorded its highest January temperature of 30°C (86°F) on January 7, 2017.
- Nighttime temperatures dropped to 0°C (32°F) on January 11, 2010, marking the coldest January night on record.
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Florida Keys in January
Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Florida Keys in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Florida Keys's climate page.
Temperature Rainfall Sunshine Humidity
See the full Florida Keys climate overview or explore weather in the United States of America.
