Climate averages 1991–2020
San Angelo weather
in August.
A very hot, fairly dry month: the 2nd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in San Angelo: daytime highs average 34.3°C and nights cool to about 23.9°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 39 mm of rain on roughly 6 days, which makes August a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 18 min on an average August day.
The nearest other city in this atlas is Abilene (128 km away). In August its highs average 34.2°C, about as warm as San Angelo, with 46 mm of rain.
Among the 498 cities listed in the United States, San Angelo ranks joint 50th of 498 for the warmest August highs and joint 168th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; San Angelo is 4.4°C warmer than that mean.
From August to September, average highs fall by 3.8°C to 30.6°C, and monthly rainfall rises from 39 mm to 53 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Angelo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.1°C3.5°C | 3.5°C | 27 | 4.1 | 10.310 h |
| February | 17.7°C5.4°C | 5.4°C | 34 | 5.0 | 11.011 h |
| March | 21.9°C9.4°C | 9.4°C | 48 | 5.8 | 12.012 h |
| April | 26.4°C13.5°C | 13.5°C | 53 | 5.9 | 12.913 h |
| May | 30.0°C18.2°C | 18.2°C | 86 | 10.0 | 13.714 h |
| June | 33.2°C22.1°C | 22.1°C | 57 | 7.6 | 14.214 h |
| July | 34.7°C23.8°C | 23.8°C | 33 | 5.4 | 14.014 h |
| August, selected | 34.3°C23.9°C | 23.9°C | 39 | 6.0 | 13.313 h |
| September | 30.6°C20.0°C | 20.0°C | 53 | 6.0 | 12.412 h |
| October | 25.8°C14.6°C | 14.6°C | 60 | 6.0 | 11.411 h |
| November | 19.4°C8.5°C | 8.5°C | 36 | 4.2 | 10.611 h |
| December | 15.4°C4.2°C | 4.2°C | 33 | 4.7 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Abilene in AugustUnited States · 128 kmHigh 34.2°C · Low 24.2°C · 46 mm rain
- Midland in AugustUnited States · 166 kmHigh 33.3°C · Low 22.6°C · 39 mm rain
- Odessa in AugustUnited States · 188 kmHigh 33.4°C · Low 22.3°C · 37 mm rain
- Ciudad Acuña in AugustMexico · 243 kmHigh 36.0°C · Low 26.1°C · 41 mm rain
- Killeen in AugustUnited States · 260 kmHigh 34.4°C · Low 24.6°C · 53 mm rain
- Lubbock in AugustUnited States · 270 kmHigh 32.1°C · Low 21.3°C · 43 mm rain
- Round Rock in AugustUnited States · 284 kmHigh 34.7°C · Low 24.6°C · 54 mm rain
- Austin in AugustUnited States · 290 kmHigh 35.0°C · Low 24.8°C · 59 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Angelo) is explained once on the San Angelo year overview and on the Sources, method and limits page.