San Angelo, TX climate
San Angelo has mild winters and hot summers, with very little rain. A typical July afternoon reaches 97°, a January night drops to 32°, and about 1 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in San Angelo feels like
Winter
Spring
Summer
Fall
San Angelo weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 60° | 32° | 0.9" | 0.5" | 4 | 0 | 40° – 52° |
| February | 65° | 36° | 1.3" | 0.4" | 5 | 0 | 44° – 58° |
| March | 72° | 44° | 1.7" | 0 | 6 | 0 | 52° – 64° |
| April | 81° | 51° | 1.7" | 0.1" | 5 | 0 | 59° – 72° |
| May | 88° | 61° | 3.0" | 0 | 7 | 0 | 70° – 81° |
| June | 94° | 69° | 2.8" | 0 | 5 | 0 | 77° – 88° |
| July | 97° | 71° | 1.6" | 0 | 6 | 0 | 79° – 89° |
| August | 96° | 70° | 2.4" | 0 | 6 | 0 | 78° – 88° |
| September | 89° | 63° | 2.6" | 0 | 6 | 0 | 72° – 83° |
| October | 80° | 53° | 2.3" | 0 | 6 | 0 | 63° – 71° |
| November | 69° | 41° | 1.3" | 0 | 4 | 0 | 49° – 61° |
| December | 61° | 34° | 1.0" | 0.3" | 4 | 0 | 42° – 51° |
| Year | 79° | 52° | 22.5" | 1.3" | 62 | 1 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in San Angelo
San Angelo gets 22 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 62 days a year.
About 232 frost-free days a year
In half of years the last 32° night comes by March 20 and the first one by November 10. That leaves about 232 frost-free days for gardens, longer than 86% of U.S. towns.
Heating and cooling a home in San Angelo
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In San Angelo, 43% of that work is heating and 57% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How San Angelo compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in San Angelo averaged 0.8° warmer than the 1900s. The biggest change is in March (+1.8°). The shift is smaller than in 83% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at San Angelo’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 44° to 58°. October is the most reliable, staying within 7°.
Common questions about San Angelo’s climate
What is the coldest month in San Angelo?
January, with a typical high of 60° and a low of 32°.
What is the hottest month in San Angelo?
July, with a typical high of 97° and a low of 71°. About 119 days a year reach 90°.
How much snow does San Angelo get?
About 1 inches in a normal winter, most of it in January.
When is the first frost in San Angelo?
In half of years the first 32° night comes by November 10, and the last spring frost by March 20.
What is the rainiest month in San Angelo?
May, with 3.0 inches of rain and melted snow. The year totals 22 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for San Angelo itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at San Angelo Wfo, TX (6 mi, snow) and San Angelo, TX (5 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.