Climate averages 1991–2020
Fort Myers weather
in December.
A warm, fairly dry month: the 11th warmest and one of the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Fort Myers: daytime highs average 24.1°C and nights cool to about 15.2°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 33 mm of rain on roughly 4 days, which makes December a fairly dry month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 10 h 30 min on an average December day.
The nearest other city in this atlas is Cape Coral (13 km away). In December its highs average 23.8°C, about as warm as Fort Myers, with 36 mm of rain.
Among the 498 cities listed in the United States, Fort Myers ranks joint 10th of 498 for the warmest December highs and joint 55th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Fort Myers is 13.6°C warmer than that mean.
From December to January, average highs fall by 1.2°C to 22.9°C, and monthly rainfall rises from 33 mm to 45 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Fort Myers climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.9°C13.4°C | 13.4°C | 45 | 5.3 | 10.711 h |
| February | 24.3°C14.5°C | 14.5°C | 35 | 4.7 | 11.211 h |
| March | 26.3°C16.1°C | 16.1°C | 43 | 4.9 | 12.012 h |
| April | 28.7°C18.6°C | 18.6°C | 50 | 6.4 | 12.813 h |
| May | 30.9°C21.2°C | 21.2°C | 74 | 9.5 | 13.413 h |
| June | 31.1°C23.7°C | 23.7°C | 176 | 20.8 | 13.814 h |
| July | 31.2°C24.3°C | 24.3°C | 165 | 23.1 | 13.614 h |
| August | 31.2°C24.4°C | 24.4°C | 164 | 24.0 | 13.113 h |
| September | 30.4°C23.8°C | 23.8°C | 156 | 19.7 | 12.312 h |
| October | 28.7°C21.2°C | 21.2°C | 74 | 8.9 | 11.612 h |
| November | 26.2°C17.5°C | 17.5°C | 33 | 4.2 | 10.911 h |
| December, selected | 24.1°C15.2°C | 15.2°C | 33 | 4.3 | 10.511 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Cape Coral in DecemberUnited States · 13 kmHigh 23.8°C · Low 15.5°C · 36 mm rain
- Lehigh Acres in DecemberUnited States · 21 kmHigh 24.5°C · Low 14.4°C · 33 mm rain
- St. Petersburg in DecemberUnited States · 152 kmHigh 20.8°C · Low 15.1°C · 53 mm rain
- Brandon in DecemberUnited States · 153 kmHigh 22.4°C · Low 13.3°C · 49 mm rain
- Lakeland in DecemberUnited States · 158 kmHigh 22.3°C · Low 12.9°C · 46 mm rain
- Tampa in DecemberUnited States · 160 kmHigh 21.9°C · Low 13.2°C · 50 mm rain
- Coral Springs in DecemberUnited States · 161 kmHigh 24.4°C · Low 17.2°C · 34 mm rain
- Port Saint Lucie in DecemberUnited States · 166 kmHigh 23.2°C · Low 16.6°C · 41 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Fort Myers) is explained once on the Fort Myers year overview and on the Sources, method and limits page.