Climate averages 1991–2020
Gulfport weather
in December.
A mild, wet month: the 11th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Gulfport: daytime highs average 16.2°C and nights cool to about 9.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 115 mm of rain on roughly 10 days, which makes December a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 14 min on an average December day.
The nearest other city in this atlas is New Orleans (105 km away). In December its highs average 17.1°C, 0.8°C warmer than Gulfport, with 96 mm of rain.
Among the 498 cities listed in the United States, Gulfport ranks joint 133rd of 498 for the warmest December highs and joint 442nd of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Gulfport is 5.7°C warmer than that mean.
From December to January, average highs fall by 1.4°C to 14.8°C, and monthly rainfall rises from 115 mm to 129 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
Gulfport climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.8°C8.0°C | 8.0°C | 129 | 9.8 | 10.410 h |
| February | 16.7°C9.8°C | 9.8°C | 121 | 8.8 | 11.111 h |
| March | 19.8°C12.9°C | 12.9°C | 135 | 9.3 | 12.012 h |
| April | 23.2°C16.6°C | 16.6°C | 106 | 7.5 | 12.913 h |
| May | 27.1°C20.8°C | 20.8°C | 96 | 8.9 | 13.714 h |
| June | 29.8°C24.0°C | 24.0°C | 137 | 13.5 | 14.114 h |
| July | 30.6°C25.1°C | 25.1°C | 139 | 16.4 | 13.914 h |
| August | 30.5°C24.9°C | 24.9°C | 161 | 16.9 | 13.213 h |
| September | 28.8°C22.9°C | 22.9°C | 144 | 12.1 | 12.412 h |
| October | 24.9°C18.1°C | 18.1°C | 95 | 7.7 | 11.511 h |
| November | 19.7°C12.7°C | 12.7°C | 101 | 7.3 | 10.711 h |
| December, selected | 16.2°C9.5°C | 9.5°C | 115 | 9.6 | 10.210 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
- New Orleans in DecemberUnited States · 105 kmHigh 17.1°C · Low 10.5°C · 96 mm rain
- Mobile in DecemberUnited States · 107 kmHigh 16.6°C · Low 8.6°C · 115 mm rain
- Metairie in DecemberUnited States · 110 kmHigh 17.2°C · Low 10.4°C · 98 mm rain
- Baton Rouge in DecemberUnited States · 201 kmHigh 17.1°C · Low 8.1°C · 112 mm rain
- Jackson in DecemberUnited States · 238 kmHigh 14.4°C · Low 4.8°C · 119 mm rain
- Lafayette (Louisiana), United States in DecemberUnited States · 281 kmHigh 17.3°C · Low 8.5°C · 112 mm rain
- Montgomery in DecemberUnited States · 346 kmHigh 14.6°C · Low 5.1°C · 110 mm rain
- Tuscaloosa in DecemberUnited States · 347 kmHigh 13.6°C · Low 4.5°C · 129 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 Gulfport) is explained once on the Gulfport year overview and on the Sources, method and limits page.