San Angelo, TX weather in December
In December, San Angelo sees highs around 62°F and lows around 35°F: cool and mostly dry. Expect about 4 wet days. It is one of the coolest months in San Angelo. Good for outdoor plans.
- Normal high
- 62°F
- Normal low
- 35°F
- Wet days
- 4
- 0.9 in total
- Muggy days
- 0
- dew point 65°F+
How December changes from start to finish
| December 1 | December 31 | |
|---|---|---|
| Normal high | 65°F | 60°F |
| Normal low | 38°F | 33°F |
| Chance of a wet day | 13% | 13% |
| Sunrise / sunset | 7:23 am / 5:38 pm | 7:40 am / 5:48 pm |
| Daylight | 10.3 h | 10.1 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 am40°Fdew point 32°F
- 9 am43°Fdew point 34°F
- Noon55°Fdew point 33°F
- 3 pm60°Fdew point 32°F
- 6 pm54°Fdew point 32°F
- 9 pm46°Fdew point 33°F
NOAA hourly normals (local standard time) from San Angelo (7 mi away); average wind 9 mph; clear or few clouds in 70% of daytime hours, mostly cloudy or overcast in 27%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F13 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 snow4 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below14 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per December, counted from daily records for each year 1991-2020.
Rain and snow in December
Normal precipitation is 0.9 in; a dry December brings about 0.2 in and a wet one about 1.2 in (25th and 75th percentiles). Days with half an inch or more are rare. Normal snowfall is 0.2 in.
How December varies from year to year
- Warmest December, 1991-20202019: average high 68°F
- Coolest December2000: average high 53°F
- Wettest December1991: 4.0 in
- Driest December2003: no measurable precipitation
- Highest reading89°F (December 15, 2019)
- Lowest reading11°F (December 9, 2005)
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 | 62°F | 61°F |
| Normal low | 43°F | 35°F | 34°F |
| Wet days | 4 | 4 | 4 |
| Comfortable days | 17 | 13 | 12 |
| Daylight | 10.6 h | 10.1 h | 10.4 h |
Highs change by -7°F from November and -1°F into January.
Nearby alternatives in December
- Warmer: Terlingua, TX240 mi · high 68°F · 2 wet days
- Cooler: Lubbock, TX168 mi · high 55°F · 4 wet days
How San Angelo ranks in December
- Normal high96th warmest of 378 cities; 18th of 38 in Texas
- Wet days31st driest of 378
- Comfortable days47th most of 340
What to pack for San Angelo in December
- A warm jacket – lows near 35°F, highs near 62°F
- Layers – afternoons near 62°F but nights near 35°F
Heating and cooling
December has 515 heating degree days and 2 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.
Questions
How cold is San Angelo in December?
The normal high is 62°F and the normal low is 35°F. From 1991 to 2020 the coldest December reading was 11°F (most recently on December 9, 2005).
Does it rain a lot in San Angelo in December?
About 4 days in December have at least 0.01 in of precipitation, and the normal total is 0.9 in. The wettest December in 1991-2020 was in 1991 (4.0 in); the driest was in 2003, with no measurable precipitation.
Does it snow in San Angelo in December?
Yes. Normal snowfall in December is 0.2 in.
Is December a good time to visit San Angelo?
December ranks 6th of 12 months on our comfort score for San Angelo (61 out of 100). It has about 13 comfortable days. The best months are March and November.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: San Angelo (USW00023034), 7.2 mi SSW of the city center, 1,890 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Water Valley (USC00419499), 22 mi NW of the city center, 2,115 ft (272 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: San Angelo Regional/Maths Field Airport (722630-23034), 8.4 mi SSW of the city center, 1,911 ft (68 ft higher than the city). Hourly observations, 1991-2020.