Florida Keys
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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 excellent 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 excellent 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.

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%

Florida Keys Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Florida Keys - and find the best time to visit.

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 records 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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    10/10
  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Florida Keys 3-Day Forecast

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.