August weather in St. George, SC
The average temperature in St. George in August is 80.0°F (70.0°F–89.9°F). Average precipitation: 6.01 inches.
August is a summer month in St. George, and is warmer than the annual average of 63.9°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Daylight averages about 13h 14m. For travel, August is a wet month.
Avg High
89.9°F
Avg Low
70.0°F
Precipitation
6.01 in
Daylight
13h 14m
August records in St. George
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (2011) | 60.1°F (2017) | 0.84 in (2013) |
| August 2 | 96.1°F (2021) | 60.1°F (2017) | 2.78 in (2025) |
| August 3 | 98.1°F (2011) | 62.1°F (2017) | 0.61 in (2020) |
| August 4 | 100.0°F (2011) | 68.0°F (2020) | 1.10 in (2018) |
| August 5 | 100.0°F (2011) | 66.0°F (2021) | 1.40 in (2020) |
| August 6 | 98.1°F (2011) | 66.9°F (2013) | 3.30 in (2024) |
| August 7 | 93.9°F (2011) | 68.0°F (2013) | 3.45 in (2024) |
| August 8 | 96.1°F (2019) | 69.1°F (2013) | 3.06 in (2024) |
| August 9 | 99.0°F (2011) | 69.1°F (2019) | 2.03 in (2024) |
| August 10 | 100.0°F (2019) | 66.9°F (2015) | 0.37 in (2018) |
| August 11 | 99.0°F (2019) | 71.1°F (2017) | 0.81 in (2020) |
| August 12 | 96.1°F (2011) | 71.1°F (2023) | 0.45 in (2017) |
| August 13 | 96.1°F (2013) | 66.9°F (2022) | 0.65 in (2020) |
| August 14 | 97.0°F (2010) | 62.1°F (2022) | 0.70 in (2010) |
| August 15 | 99.0°F (2019) | 63.0°F (2013) | 2.71 in (2013) |
| August 16 | 95.0°F (2016) | 62.1°F (2013) | 0.74 in (2013) |
| August 17 | 97.0°F (2017) | 64.0°F (2011) | 1.45 in (2023) |
| August 18 | 93.0°F (2015) | 66.9°F (2013) | 0.45 in (2018) |
| August 19 | 97.0°F (2016) | 66.0°F (2011) | 2.65 in (2015) |
| August 20 | 95.0°F (2021) | 66.9°F (2025) | 1.84 in (2010) |
| August 21 | 93.9°F (2017) | 66.9°F (2025) | 1.72 in (2011) |
| August 22 | 95.0°F (2016) | 66.9°F (2025) | 0.60 in (2012) |
| August 23 | 95.0°F (2011) | 64.0°F (2024) | 0.60 in (2025) |
| August 24 | 96.1°F (2016) | 64.0°F (2024) | 1.41 in (2010) |
| August 25 | 91.0°F (2015) | 64.0°F (2016) | 3.45 in (2020) |
| August 26 | 93.9°F (2015) | 64.0°F (2013) | 1.34 in (2022) |
| August 27 | 95.0°F (2023) | 63.0°F (2013) | 1.18 in (2023) |
| August 28 | 93.9°F (2011) | 64.0°F (2013) | 0.25 in (2012) |
| August 29 | 93.9°F (2011) | 64.9°F (2011) | 0.49 in (2017) |
| August 30 | 93.9°F (2011) | 60.1°F (2011) | 0.40 in (2012) |
| August 31 | 95.0°F (2018) | 63.0°F (2019) | 13.55 in (2023) |