Climate averages 1991–2020
Corpus Christi weather
in December.
A mild, moderately wet month: the 11th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Corpus Christi: daytime highs average 19.8°C and nights cool to about 11.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 51 mm of rain on roughly 7 days, which makes December a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 25 min on an average December day.
The nearest other city in this atlas is Edinburg (183 km away). In December its highs average 22.5°C, 2.6°C warmer than Corpus Christi, with 30 mm of rain.
Among the 498 cities listed in the United States, Corpus Christi ranks joint 40th of 498 for the warmest December highs and joint 146th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Corpus Christi is 9.3°C warmer than that mean.
From December to January, average highs fall by 0.9°C to 18.9°C, and monthly rainfall falls from 51 mm to 48 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
Corpus Christi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.9°C10.6°C | 10.6°C | 48 | 6.9 | 10.611 h |
| February | 20.8°C12.5°C | 12.5°C | 38 | 6.2 | 11.211 h |
| March | 23.4°C15.5°C | 15.5°C | 59 | 6.8 | 12.012 h |
| April | 26.5°C18.8°C | 18.8°C | 52 | 7.0 | 12.813 h |
| May | 29.4°C22.5°C | 22.5°C | 71 | 9.0 | 13.514 h |
| June | 31.6°C25.0°C | 25.0°C | 73 | 9.5 | 13.914 h |
| July | 32.4°C25.7°C | 25.7°C | 58 | 7.8 | 13.714 h |
| August | 33.1°C25.8°C | 25.8°C | 59 | 9.1 | 13.113 h |
| September | 30.7°C23.8°C | 23.8°C | 113 | 13.5 | 12.312 h |
| October | 27.7°C20.0°C | 20.0°C | 82 | 9.3 | 11.512 h |
| November | 23.1°C15.3°C | 15.3°C | 53 | 7.0 | 10.811 h |
| December, selected | 19.8°C11.7°C | 11.7°C | 51 | 7.2 | 10.410 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
- Edinburg in DecemberUnited States · 183 kmHigh 22.5°C · Low 13.0°C · 30 mm rain
- McAllen in DecemberUnited States · 196 kmHigh 22.5°C · Low 13.0°C · 30 mm rain
- Mission in DecemberUnited States · 199 kmHigh 22.5°C · Low 12.9°C · 30 mm rain
- San Antonio in DecemberUnited States · 210 kmHigh 17.5°C · Low 7.8°C · 63 mm rain
- Reynosa in DecemberMexico · 211 kmHigh 22.7°C · Low 13.1°C · 30 mm rain
- Nuevo Laredo in DecemberMexico · 212 kmHigh 20.9°C · Low 11.0°C · 28 mm rain
- Ciudad Río Bravo in DecemberMexico · 213 kmHigh 22.6°C · Low 13.4°C · 31 mm rain
- Heroica Matamoros in DecemberMexico · 214 kmHigh 22.0°C · Low 14.8°C · 34 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 Corpus Christi) is explained once on the Corpus Christi year overview and on the Sources, method and limits page.