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San Angelo weather by month

What a typical year looks like in San Angelo, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at San Angelo Mathis Field Airport, 11 km from San Angelo; records cover 1907–2026.

Today’s San Angelo forecast

The year at a glance

January: typical high 61.1°F, low 33.7°F, precipitation 0.92 in. February: typical high 65.4°F, low 37.6°F, precipitation 1.2 in. March: typical high 73.1°F, low 45.6°F, precipitation 1.48 in. April: typical high 81.7°F, low 52.5°F, precipitation 1.47 in. May: typical high 88.7°F, low 62.3°F, precipitation 3.05 in. June: typical high 94.4°F, low 70°F, precipitation 2.31 in. July: typical high 97.4°F, low 72.3°F, precipitation 1.1 in. August: typical high 96.7°F, low 71.6°F, precipitation 2.42 in. September: typical high 89.4°F, low 64.6°F, precipitation 2.51 in. October: typical high 80.5°F, low 53.8°F, precipitation 2.42 in. November: typical high 69.2°F, low 42.6°F, precipitation 1.16 in. December: typical high 62°F, low 34.9°F, precipitation 0.89 in.−10°−23°10°−12°30°−1°50°10°70°21°90°32°110°43°61°16°34°1°Jan65°19°38°3°Feb73°23°46°8°Mar82°28°53°11°Apr89°32°62°17°May94°35°70°21°Jun97°36°72°22°Jul97°36°72°22°Aug89°32°65°18°Sep81°27°54°12°Oct69°21°43°6°Nov62°17°35°2°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
20.9 in532 mm
Snow a year
Rare
Last spring freeze
Mar 22
First fall freeze
Nov 9
Heating degree days
2,131
Cooling degree days
2,786

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 20°−7° (heating, 99%) and 105°41° (cooling, 1%).

Month by month

San Angelo in January

Highs average 61°16° and lows 34°1°, with 0.92 in23 mm of precipitation in a typical January.

Record high
91°33° (1911)
Record low
1°−17° (1918)
Heating degree days
547
Cooling degree days
1

San Angelo in February

Highs average 65°19° and lows 38°3°, with 1.2 in30 mm of precipitation in a typical February.

Record high
97°36° (1996)
Record low
−1°−18° (1985)
Heating degree days
386
Cooling degree days
8

San Angelo in March

Highs average 73°23° and lows 46°8°, with 1.5 in38 mm of precipitation in a typical March.

Record high
100°38° (2026)
Record low
8°−13° (1980)
Heating degree days
222
Cooling degree days
47

San Angelo in April

Highs average 82°28° and lows 53°11°, with 1.5 in37 mm of precipitation in a typical April.

Record high
107°42° (1925)
Record low
23°−5° (1926)
Heating degree days
75
Cooling degree days
138

San Angelo in May

Highs average 89°32° and lows 62°17°, with 3.1 in77 mm of precipitation in a typical May.

Record high
110°43° (2011)
Record low
35°2° (1967)
Heating degree days
10
Cooling degree days
336

San Angelo in June

Highs average 94°35° and lows 70°21°, with 2.3 in59 mm of precipitation in a typical June.

Record high
114°46° (2023)
Record low
42°6° (1912)
Heating degree days
0
Cooling degree days
516

San Angelo in July

Highs average 97°36° and lows 72°22°, with 1.1 in28 mm of precipitation in a typical July.

Record high
111°44° (1933)
Record low
54°12° (1926)
Heating degree days
0
Cooling degree days
615

San Angelo in August

Highs average 97°36° and lows 72°22°, with 2.4 in61 mm of precipitation in a typical August.

Record high
112°44° (2024)
Record low
45°7° (1915)
Heating degree days
0
Cooling degree days
594

San Angelo in September

Highs average 89°32° and lows 65°18°, with 2.5 in64 mm of precipitation in a typical September.

Record high
107°42° (1952)
Record low
35°2° (1913)
Heating degree days
6
Cooling degree days
366

San Angelo in OctoberThis month

Highs average 81°27° and lows 54°12°, with 2.4 in61 mm of precipitation in a typical October.

Record high
102°39° (1926)
Record low
19°−7° (1917)
Heating degree days
76
Cooling degree days
142

San Angelo in November

Highs average 69°21° and lows 43°6°, with 1.2 in29 mm of precipitation in a typical November.

Record high
93°34° (1980)
Record low
12°−11° (1911)
Heating degree days
294
Cooling degree days
21

San Angelo in December

Highs average 62°17° and lows 35°2°, with 0.89 in23 mm of precipitation in a typical December.

Record high
91°33° (1954)
Record low
−4°−20° (1989)
Heating degree days
515
Cooling degree days
2