Climate averages 1991–2020
Beaumont weather
in December.
A mild, wet month: the 11th warmest and the joint 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Beaumont: daytime highs average 17.1°C and nights cool to about 8.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 119 mm of rain on roughly 10 days, which makes December a wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 15 min on an average December day.
The nearest other city in this atlas is Lake Charles (87 km away). In December its highs average 17.1°C, about as warm as Beaumont, with 123 mm of rain.
Among the 498 cities listed in the United States, Beaumont ranks joint 102nd of 498 for the warmest December highs and joint 454th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Beaumont is 6.5°C warmer than that mean.
From December to January, average highs fall by 1.0°C to 16.1°C, and monthly rainfall stays at 119 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
Beaumont climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.1°C7.4°C | 7.4°C | 119 | 9.8 | 10.410 h |
| February | 18.1°C9.2°C | 9.2°C | 86 | 8.7 | 11.111 h |
| March | 21.2°C12.4°C | 12.4°C | 99 | 9.5 | 12.012 h |
| April | 24.7°C15.9°C | 15.9°C | 112 | 9.4 | 12.913 h |
| May | 28.4°C20.3°C | 20.3°C | 97 | 10.7 | 13.614 h |
| June | 31.0°C23.5°C | 23.5°C | 133 | 15.1 | 14.014 h |
| July | 32.0°C24.5°C | 24.5°C | 107 | 15.9 | 13.914 h |
| August | 32.4°C24.4°C | 24.4°C | 123 | 15.7 | 13.213 h |
| September | 30.2°C22.0°C | 22.0°C | 136 | 12.3 | 12.412 h |
| October | 26.2°C17.1°C | 17.1°C | 104 | 8.8 | 11.511 h |
| November | 20.8°C11.9°C | 11.9°C | 109 | 8.6 | 10.711 h |
| December, selected | 17.1°C8.5°C | 8.5°C | 119 | 9.5 | 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
- Lake Charles in DecemberUnited States · 87 kmHigh 17.1°C · Low 8.2°C · 123 mm rain
- Baytown in DecemberUnited States · 93 kmHigh 17.6°C · Low 9.0°C · 110 mm rain
- League City in DecemberUnited States · 115 kmHigh 17.6°C · Low 9.9°C · 104 mm rain
- Pasadena (Texas), United States in DecemberUnited States · 115 kmHigh 17.7°C · Low 9.0°C · 105 mm rain
- Houston in DecemberUnited States · 127 kmHigh 17.6°C · Low 8.6°C · 105 mm rain
- Pearland in DecemberUnited States · 128 kmHigh 17.9°C · Low 9.2°C · 101 mm rain
- The Woodlands in DecemberUnited States · 134 kmHigh 17.0°C · Low 8.1°C · 106 mm rain
- Missouri City in DecemberUnited States · 148 kmHigh 17.9°C · Low 9.1°C · 98 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 Beaumont) is explained once on the Beaumont year overview and on the Sources, method and limits page.