Cameron County (Brownsville)
December
Weather in Cameron County, Texas for December 2025
Your guide to Cameron County weather in December - trends and predictions
Until now, December 2025 in Cameron County has been significantly cooler than historical averages by -2 °F, with average temperature of 19.5 °F.
The forecast for the coming days of December 2025 predicts a temperature of 26.8 °F , which is warmer than usual.
In general, the average temperature in Cameron County at the beginning of December is 21.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.7 °F by the end of December.
Cameron County experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 93.3 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
23°/17°
Temperatures
24 km/h
Avg max wind
77 %
Avg humidity
Cameron County Weather December
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Temperatures trend during December in Cameron County
See the weather trend as well as the moving average line
December weather in Cameron County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 20° /15° | 0 mm | 5 | |
| Dec. 2 |  Light rain shower | 22° /16° | 2.8 mm | 5 | |
| Dec. 3 | Overcast | 22° /14° | 0 mm | 5 | |
| Dec. 4 |  Fog | 22° /15° | 5 mm | 5 | |
| Dec. 5 | Fog | 20° /14° | 3.4 mm | 4 | |
| Dec. 6 | Patchy rain possible | 21° /15° | 27.3 mm | 5 | |
| Dec. 7 | Patchy rain possible | 22° /15° | 8.1 mm | 5 | |
| Dec. 8 | Overcast | 21° /14° | 0 mm | 5 | |
| Dec. 9 | Overcast | 24° /17° | 0.2 mm | 5 | |
| Dec. 10 | Overcast | 23° /13° | 0.6 mm | 5 | |
| Dec. 11 | Overcast | 20° /13° | 0 mm | 5 | |
| Dec. 12 | Light rain shower | 20° /14° | 1.3 mm | 5 | |
| Dec. 13 |  Partly cloudy | 31° /20° | 0 mm | 0.8 | |
| Dec. 14 | Overcast | 23° /14° | 0 mm | 0.9 | |
| Dec. 15 | Overcast | 13° /8° | 0 mm | 0.4 | |
| Dec. 16 | Overcast | 24° /20° | 0 mm | 0.3 | |
| Dec. 17 | Patchy rain possible | 27° /22° | 0.5 mm | 0 | |
| Dec. 18 | Patchy rain possible | 25° /23° | 0.2 mm | 5 | |
| Dec. 19 |  Thundery outbreaks possible | 29° /22° | 0 mm | 5 | |
| Dec. 20 | Mist | 29° /22° | 0 mm | 6 | |
| Dec. 21 |  Sunny | 30° /22° | 0 mm | 6 | |
| Dec. 22 | Partly cloudy | 29° /22° | 0 mm | 6 | |
| Dec. 23 | Partly cloudy | 29° /23° | 0 mm | 6 | |
| Dec. 24 | Patchy rain possible | 29° /23° | 0 mm | 6 | |
| Dec. 25 | Patchy rain possible | 28° /23° | 0 mm | 5 | |
| Dec. 26 | Patchy rain possible | 29° /23° | 0 mm | 5 | |
| Dec. 27 |  Cloudy | 24° /19° | 0 mm | 6 | |
| Dec. 28 | Sunny | 24° /17° | 0 mm | 6 | |
| Dec. 29 | Overcast | 22° /14° | 0 mm | 6 | |
| Dec. 30 | Sunny | 24° /13° | 0 mm | 6 | |
| Dec. 31 | Patchy rain possible | 22° /17° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for Cameron County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cameron County forecast closer to your planned date for the most up-to-date weather information.
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Cameron County in December - FAQ
What are the expected maximum and minimum temperatures in Cameron County during December?
During December, expect a variety of temperatures with highs around 23° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cameron County during December?
Moderate rainfall is anticipated in Cameron County during December, with a total of 93.3 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cameron County during December?
The average wind speed in Cameron County during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Cameron County
Explore the daily rainfall trends and prepare for Cameron Countys December weather 💧
Typically, Cameron County has 10 rainy days in December with a total of 93.3 mm of rainfall.
UV exposure in Cameron County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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