Killeen, TX weather in December
December in Killeen: cool, with some rain. Highs 60°F, lows 38°F, about 8 wet days. It is one of the coolest months in Killeen.
- Normal high
- 60°F
- Normal low
- 38°F
- Wet days
- 8
- 2.8 in total
- Muggy days
- 0
- dew point 65°F+
How December changes from start to finish
| December 1 | December 31 | |
|---|---|---|
| Normal high | 64°F | 58°F |
| Normal low | 41°F | 36°F |
| Chance of a wet day | 24% | 26% |
| Sunrise / sunset | 7:11 am / 5:28 pm | 7:29 am / 5:38 pm |
| Daylight | 10.3 h | 10.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical December day
- 6 am45°Fdew point 38°F
- 9 am48°Fdew point 38°F
- Noon56°Fdew point 39°F
- 3 pm59°Fdew point 38°F
- 6 pm54°Fdew point 39°F
- 9 pm49°Fdew point 39°F
NOAA hourly normals (local standard time) from Robert Gray AAF (7 mi away); average wind 9 mph; clear or few clouds in 47% of daytime hours, mostly cloudy or overcast in 44%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F10 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below8 of 31
Average days per December, counted from daily records for each year 1991-2020.
Rain in December
Normal precipitation is 2.8 in; a dry December brings about 1.1 in and a wet one about 3.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.
How December varies from year to year
- Warmest December, 1991-20202015: average high 66°F
- Coolest December2000: average high 52°F
- Wettest December2011: 6.0 in
- Driest December2005: 0.2 in
- Highest reading84°F (December 4, 2017)
- Lowest reading17°F (December 19, 1996)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
December compared with November and January
| November | December | January | |
|---|---|---|---|
| Normal high | 69°F | 60°F | 60°F |
| Normal low | 46°F | 38°F | 36°F |
| Wet days | 8 | 8 | 8 |
| Comfortable days | 13 | 10 | 11 |
| Daylight | 10.6 h | 10.2 h | 10.4 h |
Highs change by -9°F from November and 0°F into January.
Nearby alternatives in December
- Warmer: New Braunfels, TX101 mi · high 65°F · 7 wet days
- Drier: San Angelo, TX162 mi · high 62°F · 4 wet days
How Killeen ranks in December
- Normal high107th warmest of 378 cities; 21st of 38 in Texas
- Wet days132nd driest of 378
- Comfortable days65th most of 340
What to pack for Killeen in December
- A warm jacket – lows near 38°F, highs near 60°F
Heating and cooling
December has 492 heating degree days and 4 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How cold is Killeen in December?
The normal high is 60°F and the normal low is 38°F. From 1991 to 2020 the coldest December reading was 17°F (December 19, 1996).
Does it rain a lot in Killeen in December?
About 8 days in December have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest December in 1991-2020 was in 2011 (6.0 in); the driest was in 2005 (0.2 in).
Does it snow in Killeen in December?
Snow is very rare: the 1991-2020 normal for December rounds to 0.0 in.
Is December a good time to visit Killeen?
December ranks 6th of 12 months on our comfort score for Killeen (57 out of 100). It has about 10 comfortable days. The best months are February, March and April.
Where the numbers come from
- Temperature, snowfall, snow depth and frost dates: Killeen (USC00414792), 4.1 mi SSE of the city center, 815 ft . NOAA normals and daily records, 1991-2020.
- Rain: Stillhouse Hollow Dam (USC00418646), 13 mi ESE of the city center, 706 ft (116 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Robert Gray AAF (USW00003902), 7.2 mi WSW of the city center, 1,015 ft (193 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Robert Gray Aff Airport (722576-03902), 7.1 mi WSW of the city center, 1,015 ft (193 ft higher than the city). Hourly observations, 1991-2020.