San Angelo weather in December

In December, San Angelo sees average daytime highs of 60°F and overnight lows near 37°F, with 1.4 in of precipitation across 4.8 wet days and about 10 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 62°F in the first days to 58°F by the end. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is San Angelo's 8th-clearest and 8th-windiest month. For the whole year in context, see San Angelo's year-round climate.

Daytime high
60°
11th warmest
Overnight low
37°
2nd coldest
Precipitation
1.4 in
4.8 wet days
Daylight
10 hours
7:39 AM – 5:37 PM
Cloud cover
44%
8th clearest
Wind
10 mph
8th windiest
Solar energy
3.04 kWh/m²
Travel score
5.6
out of 10

San Angelo is city in and county seat of Tom Green County, Texas, United States.

Density
620/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 62°F in the first days to 58°F by the end.

A typical December day in San Angelo reaches about 60°F in the afternoon and slips back to 37°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 73°F. Set against its neighbours, December runs about 8°F cooler than November and on par with January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16340
26240
36240
46240
56239
66139
76139
86138
96138
106138
116038
126038
136038
146037
156037
166037
176037
185937
195937
205937
215937
225936
235836
245836
255836
265836
275836
285836
295836
305836
315836

How December really feels in San Angelo

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 24 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
24
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

San Angelo weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan59° / 36°1.14.10.610.25.4
Feb64° / 40°1.350.410.96.5
Mar71° / 47°1.95.8011.87.5
Apr79° / 55°2.15.9012.77.6
May86° / 63°3.410013.65.2
Jun92° / 71°2.37.60143.7
Jul95° / 73°1.35.4013.83.0
Aug94° / 73°1.66013.13.2
Sep87° / 66°2.16012.25.3
Oct78° / 56°2.36011.27.7
Nov67° / 45°1.44.30.210.47.3
Dec60° / 37°1.44.80.5105.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56238
66238
76337
86337
96337
106436
116535
126535
136634
146634
156733
166733
176733
186733
196733
206733
216634
226634
236535
246436
256436
266337
276337
286337
296337
306337
316337

Chance of precipitation in December

Any precipitationSnow

San Angelo gets around 1.4 in of rain and snow over 4.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 15% and peaks near 16% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1152
2152
3152
4162
5162
6162
7161
8161
9161
10151
11151
12151
13151
14151
15151
16151
17151
18151
19151
20151
21151
22152
23152
24152
25152
26153
27153
28153
29153
30143
31143

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19451
29451
39451
49640
59640
69640
79640
89640
99730
109730
119730
129730
139820
149820
159820
169820
179820
189820
199910
209910
219910
229910
239820
249820
259820
269820
279820
289820
299820
309820
319820

Wind in December

Winds average 10 mph in December.

Across December, daily wind ranges from about 10 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 06 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:29 AM to 7:46 AM, and sunset from 5:34 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:295:34
210.17:295:34
310.17:305:34
410.17:315:34
510.07:325:35
610.07:325:35
710.07:335:35
810.07:345:35
910.07:355:35
1010.07:355:35
1110.07:365:35
1210.07:375:36
1310.07:375:36
1410.07:385:36
1510.07:385:36
1610.07:395:37
1710.07:405:37
1810.07:405:37
1910.07:415:38
209.97:415:38
219.97:425:39
229.97:425:39
239.97:435:40
249.97:435:40
2510.07:445:41
2610.07:445:41
2710.07:445:42
2810.07:455:42
2910.07:455:43
3010.07:455:44
3110.07:465:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.04 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.04 kWh/m² to a high of 7.02 kWh/m² in July across the year — December's 3.04 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in December

Is December a good time to visit San Angelo?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
6th-best month of the year
0.5
Beach & pool
11th-best month of the year

December is a reasonable time to visit San Angelo for sightseeing.

What to pack for San Angelo in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, San Angelo sees daytime highs around 60°F and nights near 37°F. Worth packing: a warm layer. About 5 days see rain.

a warm layer

UV index in San Angelo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Angelo peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 11Dec 18UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr9Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5Moderate
Dec3Moderate
Location & terrain

Where is San Angelo?

San Angelo sits at 31.5°N, 100.4°W, 1,844 ft above sea level, in United States. The nearest listed city is Abilene, 80 mi away.

Topography around San Angelo

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of San Angelo.

Within 2 miles, the terrain around San Angelo has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 1,857 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 604 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,332 ft.

The land around San Angelo is covered by artificial surfaces (60%) within 2 miles, cropland (31%) and grassland (26%) within 10 miles, and grassland (62%) within 50 miles.

2 miles
125 ft
10 miles
604 ft
50 miles
1,332 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Abilene 80 mi · Big Spring 82 mi · Brownwood 87 mi · Midland 103 mi · Odessa 117 mi · West Odessa 124 mi · Kerrville 124 mi · Breckenridge 127 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Angelo (31.4638°, -100.437°, elevation 1,844 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).