Bexar County (San Antonio)
December
Weather in Bexar County, Texas for December 2025
Your guide to Bexar County weather in December - trends and predictions
Until now, December 2025 in Bexar County is slightly cooler than the historical average by -1.9 °F.
The forecast for the upcoming days in Bexar County predicts a temperature of 22.7 °F, which is slightly above the historical average.
In general, the average temperature in Bexar County at the beginning of December is 18.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.9 °F by the end of December.
Bexar County experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 36.8 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
19°/10°
Temperatures
20 km/h
Avg max wind
61 %
Avg humidity
Bexar County Weather December
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Temperatures trend during December in Bexar County
See the weather trend as well as the moving average line
December weather in Bexar County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Fog | 19° /9° | 0 mm | 4 | |
| Dec. 2 |  Partly cloudy | 19° /8° | 0 mm | 5 | |
| Dec. 3 |  Sunny | 20° /8° | 0 mm | 5 | |
| Dec. 4 |  Cloudy | 18° /10° | 4 mm | 4 | |
| Dec. 5 | Sunny | 17° /9° | 6.2 mm | 4 | |
| Dec. 6 | Sunny | 18° /7° | 0 mm | 4 | |
| Dec. 7 |  Overcast | 18° /8° | 3.8 mm | 4 | |
| Dec. 8 | Fog | 19° /9° | 0 mm | 5 | |
| Dec. 9 | Fog | 23° /9° | 0 mm | 5 | |
| Dec. 10 | Sunny | 19° /6° | 0 mm | 5 | |
| Dec. 11 | Sunny | 18° /4° | 0 mm | 5 | |
| Dec. 12 |  Patchy rain possible | 20° /7° | 0 mm | 5 | |
| Dec. 13 | Mist | 29° /17° | 0 mm | 0.8 | |
| Dec. 14 | Overcast | 15° /6° | 0 mm | 0.4 | |
| Dec. 15 | Overcast | 11° /4° | 0 mm | 0.6 | |
| Dec. 16 | Patchy rain possible | 18° /11° | 0.6 mm | 0.1 | |
| Dec. 17 | Patchy rain possible | 21° /16° | 1.6 mm | 0 | |
| Dec. 18 | Patchy rain possible | 23° /18° | 0.7 mm | 5 | |
| Dec. 19 | Fog | 25° /17° | 0.1 mm | 5 | |
| Dec. 20 | Patchy rain possible | 24° /19° | 0.6 mm | 5 | |
| Dec. 21 | Sunny | 27° /17° | 0 mm | 6 | |
| Dec. 22 | Sunny | 28° /18° | 0 mm | 6 | |
| Dec. 23 | Partly cloudy | 27° /20° | 0 mm | 6 | |
| Dec. 24 | Patchy rain possible | 24° /21° | 0.8 mm | 5 | |
| Dec. 25 | Patchy rain possible | 23° /20° | 0.9 mm | 5 | |
| Dec. 26 | Patchy rain possible | 23° /19° | 1.3 mm | 5 | |
| Dec. 27 | Sunny | 19° /5° | 0 mm | 5 | |
| Dec. 28 | Overcast | 21° /9° | 0 mm | 5 | |
| Dec. 29 | Sunny | 21° /9° | 0.3 mm | 6 | |
| Dec. 30 | Patchy rain possible | 23° /9° | 0.2 mm | 6 | |
| Dec. 31 | Sunny | 23° /9° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Bexar 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 Bexar County forecast closer to your planned date for the most up-to-date weather information.
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Bexar County in December - FAQ
What are the expected maximum and minimum temperatures in Bexar County during December?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bexar County during December?
In December, Bexar County can expect light to moderate rainfall, totaling 36.8 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Bexar County during December?
The average wind speed in Bexar County during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Bexar County
Explore the daily rainfall trends and prepare for Bexar Countys December weather 💧
Typically, Bexar County has 7 rainy days in December with a total of 36.8 mm of rainfall.
UV exposure in Bexar County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Where is Bexar County?Get accurate weather forecasts for Bexar County, located at latitude 29.424 and longitude -98.494. Stay updated with localized weather information tailored for Bexar County.
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