Killeen (TX)
December
Weather in Killeen, Texas for December 2025
Your guide to Killeen weather in December - trends and predictions
Until now, December 2025 in Killeen is slightly cooler than the historical average by -0.7 °F.
The forecast for the coming days of December 2025 predicts a temperature of 21.6 °F , which is warmer than usual.
In general, the average temperature in Killeen at the beginning of December is 14.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.1 °F by the end of December.
With an average of 3 rainy days, Killeen experiences minimal rainfall in December.
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Temperatures
Rain 🌧️
More
28
Dry days
3
Rainy days
0
Snow days
17°/7°
Temperatures
24 km/h
Avg max wind
71 %
Avg humidity
Killeen Weather December
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Temperatures trend during December in Killeen
See the weather trend as well as the moving average line
December weather in Killeen day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 13° /3° | 0 mm | 4 | |
| Dec. 2 | Sunny | 16° /1° | 0 mm | 5 | |
| Dec. 3 |  Cloudy | 17° /2° | 0 mm | 5 | |
| Dec. 4 |  Thundery outbreaks possible | 12° /7° | 5.7 mm | 3 | |
| Dec. 5 |  Overcast | 13° /6° | 0 mm | 4 | |
| Dec. 6 | Cloudy | 18° /3° | 0 mm | 4 | |
| Dec. 7 |  Moderate or heavy rain shower | 13° /5° | 26.6 mm | 4 | |
| Dec. 8 | Overcast | 10° /2° | 0 mm | 3 | |
| Dec. 9 | Overcast | 21° /4° | 0 mm | 5 | |
| Dec. 10 | Overcast | 14° /4° | 0 mm | 3 | |
| Dec. 11 | Sunny | 18° /1° | 0 mm | 5 | |
| Dec. 12 | Cloudy | 18° /3° | 0 mm | 4 | |
| Dec. 13 | Overcast | 14° /8° | 0 mm | 3 | |
| Dec. 14 |  Fog | 18° /8° | 0 mm | 4 | |
| Dec. 15 | Thundery outbreaks possible | 21° /16° | 0 mm | 5 | |
| Dec. 16 |  Partly cloudy | 17° /5° | 0 mm | 0.5 | |
| Dec. 17 | Partly cloudy | 22° /12° | 0 mm | 0.2 | |
| Dec. 18 | Sunny | 20° /8° | 0 mm | 0.8 | |
| Dec. 19 | Sunny | 16° /4° | 0 mm | 0.8 | |
| Dec. 20 | Sunny | 25° /9° | 0 mm | 0 | |
| Dec. 21 | Sunny | 24° /14° | 0 mm | 5 | |
| Dec. 22 | Partly cloudy | 25° /13° | 0 mm | 5 | |
| Dec. 23 | Overcast | 27° /19° | 0 mm | 5 | |
| Dec. 24 | Overcast | 23° /18° | 0 mm | 5 | |
| Dec. 25 | Overcast | 23° /19° | 0 mm | 5 | |
| Dec. 26 | Sunny | 26° /16° | 0 mm | 6 | |
| Dec. 27 |  Moderate rain | 21° /17° | 6.7 mm | 4 | |
| Dec. 28 | Cloudy | 16° /10° | 0 mm | 3 | |
| Dec. 29 | Sunny | 17° /7° | 0 mm | 4 | |
| Dec. 30 | Overcast | 28° /10° | 0 mm | 6 | |
| Dec. 31 | Sunny | 17° /7° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Killeen 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 Killeen forecast closer to your planned date for the most up-to-date weather information.
Change Month
Killeen in December - FAQ
What are the expected maximum and minimum temperatures in Killeen during December?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Killeen during December?
Moderate rainfall is anticipated in Killeen during December, with a total of 65.3 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Killeen during December?
The average wind speed in Killeen during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Killeen
Explore the daily rainfall trends and prepare for Killeens December weather 💧
Typically, Killeen has 3 rainy days in December with a total of 65.3 mm of rainfall.
UV exposure in Killeen during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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