San Angelo, TX weather in August
San Angelo is hot, often humid and mostly dry in August: highs average 97°F and nights drop to about 72°F. There are about 6 days with rain. This is the peak of the warm season in San Angelo. Midday heat is the main thing to plan around.
- Normal high
- 97°F
- Normal low
- 72°F
- Wet days
- 6
- 2.4 in total
- Muggy days
- 10
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 99°F | 93°F |
| Normal low | 73°F | 69°F |
| Chance of a wet day | 16% | 19% |
| Sunrise / sunset | 6:58 am / 8:38 pm | 7:17 am / 8:07 pm |
| Daylight | 13.7 h | 12.8 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 August day
- 6 am73°Fdew point 65°F
- 9 am81°Fdew point 66°F
- Noon90°Fdew point 63°F
- 3 pm94°Fdew point 60°F
- 6 pm92°Fdew point 59°F
- 9 pm83°Fdew point 61°F
NOAA hourly normals (local standard time) from San Angelo (7 mi away); average wind 8 mph; clear or few clouds in 80% of daytime hours, mostly cloudy or overcast in 11%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more27 of 31
- Muggy daysdaily mean dew point 65°F or more10 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 2.4 in; a dry August brings about 1.1 in and a wet one about 3.4 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202011: average high 103°F
- Coolest August2004: average high 91°F
- Wettest August1996: 7.7 in
- Driest August2000: no measurable precipitation
- Highest reading109°F (August 14, 2020)
- Lowest reading54°F (August 28, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 97°F | 97°F | 89°F |
| Normal low | 72°F | 72°F | 65°F |
| Wet days | 4 | 6 | 5 |
| Comfortable days | 0 | 0 | 2 |
| Daylight | 14.0 h | 13.3 h | 12.3 h |
Highs change by 0°F from July and -8°F into September.
How San Angelo ranks in August
- Normal high31st warmest of 378 cities; 11th of 38 in Texas
- Wet days115th driest of 378
- Comfortable days336th most of 341
What to pack for San Angelo in August
- Light, breathable clothing – highs near 97°F and about 10 muggy days
- Layers – afternoons near 97°F but nights near 72°F
Heating and cooling
August has 0 heating degree days and 594 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How hot is San Angelo in August?
The normal high is 97°F and the normal low is 72°F. From 1991 to 2020 the hottest August reading was 109°F (most recently on August 14, 2020).
Does it rain a lot in San Angelo in August?
About 6 days in August have at least 0.01 in of precipitation, and the normal total is 2.4 in. The wettest August in 1991-2020 was in 1996 (7.7 in); the driest was in 2000, with no measurable precipitation.
Is August a good time to visit San Angelo?
August ranks 12th of 12 months on our comfort score for San Angelo (36 out of 100). It has almost no comfortable days and about 27 days at 90°F or hotter. 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.