Galveston County (Bolivar Peninsula)
December
Weather in Galveston County for December 2025
Your guide to Galveston County weather in December - trends and predictions
In general, the average temperature in Galveston County at the beginning of December is 16.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.7 °F by the end of December.
The climate of Galveston County in December is notably wet, with an average of 13 rainy days, and a total of 213.5 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
17°/13°
Temperatures
25 km/h
Avg max wind
82 %
Avg humidity
Galveston County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  17° | 2  18° | 3 15° | 4  20° | 5  18° | 6  14° | |
| 7 15° | 8 16° | 9 20° | 10 18° | 11  14° | 12 16° | 13 16° |
| 14 17° | 15 17° | 16 17° | 17 17° | 18  18° | 19 15° | 20 18° |
| 21 14° | 22 14° | 23 17° | 24 17° | 25 17° | 26 17° | 27 17° |
| 28 20° | 29 17° | 30 18° | 31  18° |
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Temperatures trend during December in Galveston County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Cloudy | 17° /14° | 0 mm | 4 | |
| Dec. 2 | Overcast | 18° /13° | 0 mm | 4 | |
| Dec. 3 | Overcast | 15° /12° | 0 mm | 4 | |
| Dec. 4 | Moderate or heavy rain shower | 20° /14° | 29.2 mm | 5 | |
| Dec. 5 | Patchy rain possible | 18° /14° | 1.8 mm | 4 | |
| Dec. 6 | Partly cloudy | 14° /6° | 0.5 mm | 4 | |
| Dec. 7 | Moderate or heavy rain shower | 15° /8° | 3.7 mm | 4 | |
| Dec. 8 | Moderate or heavy rain shower | 16° /13° | 12.2 mm | 4 | |
| Dec. 9 | Overcast | 20° /16° | 0 mm | 5 | |
| Dec. 10 | Overcast | 18° /11° | 0 mm | 4 | |
| Dec. 11 | Sunny | 14° /8° | 0 mm | 4 | |
| Dec. 12 | Partly cloudy | 16° /12° | 0 mm | 5 | |
| Dec. 13 | Moderate or heavy rain shower | 16° /14° | 4.1 mm | 4 | |
| Dec. 14 | Patchy rain possible | 17° /16° | 1.7 mm | 4 | |
| Dec. 15 | Overcast | 17° /15° | 0 mm | 4 | |
| Dec. 16 | Patchy rain possible | 17° /16° | 0.1 mm | 4 | |
| Dec. 17 | Overcast | 17° /15° | 0 mm | 4 | |
| Dec. 18 | Heavy rain at times | 18° /14° | 1.5 mm | 4 | |
| Dec. 19 | Overcast | 15° /10° | 0 mm | 4 | |
| Dec. 20 | Cloudy | 18° /13° | 0 mm | 4 | |
| Dec. 21 | Sunny | 14° /7° | 0 mm | 4 | |
| Dec. 22 | Cloudy | 14° /9° | 0 mm | 3 | |
| Dec. 23 | Cloudy | 17° /15° | 0 mm | 4 | |
| Dec. 24 | Heavy rain at times | 17° /16° | 3.6 mm | 4 | |
| Dec. 25 | Moderate or heavy rain shower | 17° /16° | 63.9 mm | 4 | |
| Dec. 26 | Moderate or heavy rain shower | 17° /16° | 44.5 mm | 4 | |
| Dec. 27 | Moderate or heavy rain shower | 17° /16° | 32.2 mm | 4 | |
| Dec. 28 | Moderate or heavy rain shower | 20° /16° | 14.6 mm | 5 | |
| Dec. 29 | Overcast | 17° /14° | 0 mm | 4 | |
| Dec. 30 | Overcast | 18° /15° | 0 mm | 4 | |
| Dec. 31 | Fog | 18° /14° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Galveston 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 Galveston County forecast closer to your planned date for the most up-to-date weather information.
Galveston County in December - FAQ
What are the expected maximum and minimum temperatures in Galveston County during December?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Galveston County during December?
Significant rainfall exceeding 213.5 mm is expected in Galveston County during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Galveston County during December?
The average wind speed in Galveston County during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Galveston County
Explore the daily rainfall trends and prepare for Galveston Countys December weather 💧
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Where is Galveston County?Get accurate weather forecasts for Galveston County, located at latitude 29.478 and longitude -94.58. Stay updated with localized weather information tailored for Galveston County.
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