Harris County (Houston)
December
Weather in Harris County, Texas for December 2025
Your guide to Harris County weather in December - trends and predictions
In general, the average temperature in Harris County at the beginning of December is 21.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.9 °F by the end of December.
Harris County in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 91.1 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
13
Dry days
18
Rainy days
0
Snow days
20°/13°
Temperatures
18 km/h
Avg max wind
68 %
Avg humidity
Harris County Weather December
Move between months or click on a day
Temperatures trend during December in Harris County
See the weather trend as well as the moving average line
December weather in Harris County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 21° /13° | 0 mm | 5 | |
| Dec. 2 |  Sunny | 22° /13° | 0.1 mm | 5 | |
| Dec. 3 |  Patchy rain possible | 22° /14° | 0.2 mm | 5 | |
| Dec. 4 | Overcast | 22° /14° | 0.7 mm | 5 | |
| Dec. 5 | Overcast | 23° /15° | 0.2 mm | 6 | |
| Dec. 6 |  Partly cloudy | 21° /13° | 2.6 mm | 5 | |
| Dec. 7 | Overcast | 20° /12° | 0.2 mm | 5 | |
| Dec. 8 | Patchy rain possible | 23° /15° | 0.5 mm | 5 | |
| Dec. 9 | Patchy rain possible | 27° /17° | 0.6 mm | 6 | |
| Dec. 10 | Overcast | 22° /14° | 2.6 mm | 5 | |
| Dec. 11 |  Moderate or heavy rain shower | 21° /12° | 5.5 mm | 5 | |
| Dec. 12 | Sunny | 19° /11° | 0 mm | 5 | |
| Dec. 13 | Overcast | 21° /13° | 7.8 mm | 5 | |
| Dec. 14 | Moderate or heavy rain shower | 21° /13° | 6.2 mm | 5 | |
| Dec. 15 | Moderate rain at times | 20° /14° | 1.1 mm | 5 | |
| Dec. 16 | Patchy rain possible | 20° /13° | 1.3 mm | 5 | |
| Dec. 17 | Sunny | 19° /11° | 0 mm | 5 | |
| Dec. 18 | Patchy rain possible | 19° /10° | 4.8 mm | 5 | |
| Dec. 19 | Overcast | 15° /10° | 13.3 mm | 4 | |
| Dec. 20 | Overcast | 17° /10° | 0.2 mm | 4 | |
| Dec. 21 | Overcast | 17° /8° | 0 mm | 4 | |
| Dec. 22 | Partly cloudy | 17° /7° | 3.4 mm | 4 | |
| Dec. 23 | Moderate rain at times | 19° /10° | 1.7 mm | 4 | |
| Dec. 24 | Sunny | 18° /10° | 2.5 mm | 5 | |
| Dec. 25 | Sunny | 18° /10° | 13.7 mm | 5 | |
| Dec. 26 | Sunny | 20° /11° | 6.9 mm | 5 | |
| Dec. 27 | Sunny | 20° /13° | 3.2 mm | 5 | |
| Dec. 28 |  Cloudy | 23° /13° | 0 mm | 5 | |
| Dec. 29 | Cloudy | 21° /14° | 3.7 mm | 5 | |
| Dec. 30 | Cloudy | 22° /14° | 1.6 mm | 5 | |
| Dec. 31 | Moderate or heavy rain shower | 22° /13° | 6.5 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Harris 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 Harris County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Harris County in December - FAQ
What are the expected maximum and minimum temperatures in Harris County during December?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harris County during December?
Moderate rainfall is anticipated in Harris County during December, with a total of 91.1 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Harris County during December?
The average wind speed in Harris County during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Harris County
Explore the daily rainfall trends and prepare for Harris Countys December weather 💧
UV exposure in Harris County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Top locations in Harris County
Select a location for an accurate weather forecast
More Locations Quick links
More Harris County weather pages
You are here
Where is Harris County?Get accurate weather forecasts for Harris County, located at latitude 29.763 and longitude -95.363. Stay updated with localized weather information tailored for Harris County.
Found a mistake?
We appreciate your attention to details. Tell us here.