Bexar County (San Antonio)
December
Weather in Bexar County for December 2025
Your guide to Bexar County weather in December - trends and predictions
In general, the average temperature in Bexar County at the beginning of December is 20 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 20 °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 21.1 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
24
Dry days
7
Rainy days
0
Snow days
19°/9°
Temperatures
19 km/h
Avg max wind
59 %
Avg humidity
Bexar County in December average weather
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  25° | 2  22° | 3  21° | 4  20° | 5 19° | 6 18° | |
| 7  15° | 8 20° | 9 26° | 10 17° | 11 17° | 12  19° | 13  17° |
| 14 20° | 15 21° | 16 22° | 17 23° | 18 20° | 19 20° | 20 21° |
| 21 20° | 22 17° | 23 16° | 24 16° | 25 15° | 26 18° | 27 19° |
| 28 21° | 29 21° | 30 23° | 31 23° |
You can click on date
Access Bexar County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during December in Bexar County
See the weather trend as well as the moving average line
December weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Fog | 25° /12° | 0 mm | 6 | |
| Dec. 2 | Partly cloudy | 22° /10° | 0 mm | 6 | |
| Dec. 3 | Sunny | 21° /10° | 0 mm | 5 | |
| Dec. 4 | Cloudy | 20° /11° | 4.4 mm | 5 | |
| Dec. 5 | Sunny | 19° /10° | 0 mm | 5 | |
| Dec. 6 | Sunny | 18° /7° | 0 mm | 5 | |
| Dec. 7 | Overcast | 15° /7° | 5.7 mm | 4 | |
| Dec. 8 | Fog | 20° /11° | 0.1 mm | 5 | |
| Dec. 9 | Fog | 26° /11° | 0 mm | 6 | |
| Dec. 10 | Sunny | 17° /7° | 0 mm | 5 | |
| Dec. 11 | Partly cloudy | 17° /3° | 0 mm | 5 | |
| Dec. 12 | Patchy rain possible | 19° /6° | 0 mm | 5 | |
| Dec. 13 | Light drizzle | 17° /13° | 4.2 mm | 4 | |
| Dec. 14 | Patchy rain possible | 20° /14° | 0 mm | 5 | |
| Dec. 15 | Patchy rain possible | 21° /16° | 0.3 mm | 5 | |
| Dec. 16 | Sunny | 22° /13° | 14.4 mm | 5 | |
| Dec. 17 | Sunny | 23° /12° | 0 mm | 6 | |
| Dec. 18 | Sunny | 20° /11° | 0 mm | 5 | |
| Dec. 19 | Overcast | 20° /7° | 0 mm | 5 | |
| Dec. 20 | Patchy rain possible | 21° /10° | 0.1 mm | 6 | |
| Dec. 21 | Light rain shower | 20° /9° | 0.6 mm | 5 | |
| Dec. 22 | Partly cloudy | 17° /7° | 0.7 mm | 4 | |
| Dec. 23 | Partly cloudy | 16° /8° | 1.1 mm | 4 | |
| Dec. 24 | Sunny | 16° /9° | 2.5 mm | 4 | |
| Dec. 25 | Overcast | 15° /7° | 2.1 mm | 4 | |
| Dec. 26 | Sunny | 18° /7° | 0 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 | |
| Next | |||||
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.
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 9°. 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 21.1 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 19 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 💧
UV exposure in Bexar County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Top locations in Bexar County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.