Killeen (TX)
December
Weather in Killeen, Texas for December 2025
Your guide to Killeen weather in December - trends and predictions
In general, the average temperature in Killeen at the beginning of December is 14.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20 °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 🌧️
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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 | 20° /3° | 0 mm | 6 | |
| Dec. 2 | Sunny | 20° /4° | 0 mm | 6 | |
| Dec. 3 |  Cloudy | 14° /2° | 0 mm | 3 | |
| Dec. 4 |  Thundery outbreaks possible | 12° /10° | 0 mm | 3 | |
| Dec. 5 |  Overcast | 15° /8° | 0 mm | 4 | |
| Dec. 6 | Cloudy | 13° /0° | 0 mm | 3 | |
| Dec. 7 |  Moderate or heavy rain shower | 7° /4° | 53.2 mm | 2 | |
| Dec. 8 | Overcast | 13° /5° | 0 mm | 3 | |
| Dec. 9 | Overcast | 23° /8° | 0 mm | 5 | |
| Dec. 10 | Overcast | 9° /3° | 0 mm | 2 | |
| Dec. 11 | Sunny | 16° /-1° | 0 mm | 5 | |
| Dec. 12 | Cloudy | 16° /1° | 0 mm | 4 | |
| Dec. 13 | Overcast | 14° /10° | 0 mm | 3 | |
| Dec. 14 |  Fog | 23° /14° | 0 mm | 5 | |
| Dec. 15 | Thundery outbreaks possible | 21° /16° | 0 mm | 5 | |
| Dec. 16 | Fog | 22° /15° | 0 mm | 5 | |
| Dec. 17 | Mist | 24° /17° | 0 mm | 5 | |
| Dec. 18 |  Light rain shower | 18° /9° | 4.2 mm | 4 | |
| Dec. 19 | Mist | 14° /0° | 0 mm | 3 | |
| Dec. 20 | Sunny | 17° /3° | 0 mm | 5 | |
| Dec. 21 | Sunny | 15° /0° | 0 mm | 5 | |
| Dec. 22 | Cloudy | 14° /2° | 0 mm | 3 | |
| Dec. 23 | Overcast | 18° /11° | 0 mm | 4 | |
| Dec. 24 | Overcast | 22° /15° | 0 mm | 5 | |
| Dec. 25 | Overcast | 13° /11° | 0 mm | 3 | |
| Dec. 26 |  Moderate rain | 18° /12° | 7.9 mm | 4 | |
| Dec. 27 | Mist | 23° /5° | 0 mm | 5 | |
| Dec. 28 | Overcast | 23° /11° | 0 mm | 5 | |
| Dec. 29 | Mist | 18° /8° | 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.
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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 💧
UV exposure in Killeen during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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