San Angelo weather in December: San Angelo, Texas: normal highs, lows, rain and records for December
San Angelo in December has a normal high of 62°F and a normal low of 35°F, a daily mean of 48°F, falling from 65°F on the 1st to 60°F by the 31st. Measurable precipitation falls on 4 days in a normal December, 0.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 2°C, 23 mm of precipitation in December.
- NOAA stationSan Angelo Mathis Field Airport
- Station IDUSW00023034
- Location31.37°N 100.49°W
- Elevation1,890 ft (576 m)
- From the center5 miles
- Population100,159
- Jan 61° 34°
- Feb 65° 38°
- Mar 73° 46°
- Apr 82° 53°
- May 89° 62°
- Jun 94° 70°
- Jul 97° 72°
- Aug 97° 72°
- Sep 89° 65°
- Oct 81° 54°
- Nov 69° 43°
- Dec 62° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is San Angelo in December?
The normal high is 62°F and the normal low 35°F, for a daily mean of 48.4°F. December is 7.5°F cooler than November and 1.0°F warmer than January. December is the 11th warmest month of the year in San Angelo and the 12th wettest. Across the month the normal high falls 5°F, from 65°F on December 1 to 60°F on December 31. From one year to the next December's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 46°F and 51°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 13%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 65°F | 38°F | 13% | 7% |
| December 8 | 63°F | 36°F | 13% | 7% |
| December 15 | 62°F | 35°F | 13% | 7% |
| December 22 | 61°F | 34°F | 13% | 7% |
| December 31 | 60°F | 33°F | 13% | 7% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 65°F | 38°F | 13% | 7% | 10 h 20 min |
| December 2 | 64°F | 37°F | 13% | 7% | 10 h 20 min |
| December 3 | 64°F | 37°F | 13% | 7% | 10 h 10 min |
| December 4 | 64°F | 37°F | 13% | 7% | 10 h 10 min |
| December 5 | 64°F | 37°F | 13% | 7% | 10 h 10 min |
| December 6 | 64°F | 36°F | 13% | 7% | 10 h 10 min |
| December 7 | 63°F | 36°F | 13% | 7% | 10 h 10 min |
| December 8 | 63°F | 36°F | 13% | 7% | 10 h 10 min |
| December 9 | 63°F | 36°F | 13% | 7% | 10 h 10 min |
| December 10 | 63°F | 36°F | 13% | 7% | 10 h 10 min |
| December 11 | 63°F | 35°F | 13% | 7% | 10 h 10 min |
| December 12 | 62°F | 35°F | 13% | 7% | 10 h 10 min |
| December 13 | 62°F | 35°F | 13% | 7% | 10 h 10 min |
| December 14 | 62°F | 35°F | 13% | 7% | 10 h 10 min |
| December 15 | 62°F | 35°F | 13% | 7% | 10 h 10 min |
| December 16 | 62°F | 35°F | 13% | 7% | 10 h 10 min |
| December 17 | 62°F | 34°F | 13% | 7% | 10 h 10 min |
| December 18 | 62°F | 34°F | 13% | 7% | 10 h 10 min |
| December 19 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 20 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 21 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 22 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 23 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 24 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 25 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 26 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 27 | 61°F | 34°F | 13% | 7% | 10 h 10 min |
| December 28 | 60°F | 34°F | 13% | 7% | 10 h 10 min |
| December 29 | 60°F | 33°F | 13% | 7% | 10 h 10 min |
| December 30 | 60°F | 33°F | 13% | 7% | 10 h 10 min |
| December 31 | 60°F | 33°F | 13% | 7% | 10 h 10 min |
- Normal high
- 62°FDecember average
- Normal low
- 35°FDecember average
- Precipitation
- 0.89 inmonth total
- Days with precipitation
- 40.01 inch or more
- Nights at 32°F or colder
- 14
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 8
- Days at 80°F or more
- 1
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023034; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in San Angelo in December?
On a given December day the chance of 0.01 inch or more is 13% on average, highest around December 25 (13%). In all, 0.89 in falls on 4 days of a normal December.
In a normal December in San Angelo, 14 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023034.
How humid and windy is San Angelo in December?
At 3 p.m. the normal temperature is 57°F with 36% relative humidity and a dew point of 30°F; at 6 a.m. it is 38°F with 74% humidity. The wind averages 9.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 38°F | 30°F | 74% | 7.7 mph | 60% |
| 9 a.m. | 41°F | 31°F | 70% | 8.2 mph | 66% |
| noon | 52°F | 31°F | 46% | 12.1 mph | 64% |
| 3 p.m. | 57°F | 30°F | 36% | 12.2 mph | 74% |
| 6 p.m. | 52°F | 30°F | 43% | 8.6 mph | 69% |
| 9 p.m. | 44°F | 31°F | 59% | 7.7 mph | 75% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023034. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for December in San Angelo?
The warmest December temperature on San Angelo's official record (since 1907) is 91°F, on December 4, 1954; the coldest is −4°F, on December 23, 1989. The wettest December brought 3.98 in (1991); the snowiest, 3.7 inches (1986).
The December mean against the 1991-2020 normal of 48.4°F: 2021 60.1°F (+11.7), 2022 50.7°F (+2.3), 2023 51.2°F (+2.8), 2024 53.5°F (+5.1), 2025 53.5°F (+5.1). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.1°F | +11.7°F | 0.03 in |
| 2022 | 50.7°F | +2.3°F | 1.03 in |
| 2023 | 51.2°F | +2.8°F | 2.16 in |
| 2024 | 53.5°F | +5.1°F | 0.24 in |
| 2025 | 53.5°F | +5.1°F | 0.01 in |
Source: records: ACIS, NWS threaded record SJTthr; recent months: ACIS, station USW00023034. Records and recent months use complete months only.
How does December in San Angelo compare across Texas?
Across the 321 places PlainClimate covers in Texas, December normal highs run from 49°F in Dumas to 74°F in Brownsville; San Angelo's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.