August weather in St. George, AK
The average temperature in St. George in August is 49.3°F (46.2°F–52.4°F). Average precipitation: 2.66 inches.
August is a summer month in St. George, and is warmer than the annual average of 36.7°F. Daily temperatures swing about 6.2°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 14h 55m. For travel, August is cool.
Avg High
52.4°F
Avg Low
46.2°F
Precipitation
2.66 in
Daylight
14h 55m
August records in St. George
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 125.1°F (2023) | 10.2°F (2023) | 0.46 in (2023) |
| August 2 | 108.0°F (2023) | 10.2°F (2023) | 0.58 in (1999) |
| August 3 | 115.0°F (2023) | 10.2°F (2023) | 1.50 in (2021) |
| August 4 | 127.9°F (2023) | 41.0°F (2008) | 1.12 in (2023) |
| August 5 | 57.9°F (1997) | 39.9°F (2001) | 0.38 in (2009) |
| August 6 | 60.1°F (1997) | 37.9°F (2008) | 0.86 in (2014) |
| August 7 | 62.1°F (1997) | 41.0°F (2012) | 0.81 in (2010) |
| August 8 | 61.0°F (1997) | 42.1°F (2012) | 0.75 in (2005) |
| August 9 | 59.0°F (2003) | 39.0°F (2020) | 0.22 in (2003) |
| August 10 | 57.9°F (2005) | 39.9°F (2009) | 0.37 in (2012) |
| August 11 | 57.9°F (2016) | 39.0°F (2012) | 1.51 in (2018) |
| August 12 | 57.9°F (2001) | 42.1°F (2021) | 2.19 in (2018) |
| August 13 | 60.1°F (2012) | 39.9°F (2021) | 0.89 in (2006) |
| August 14 | 62.1°F (2012) | 39.9°F (1997) | 0.55 in (2015) |
| August 15 | 60.1°F (2019) | 37.9°F (2000) | 0.29 in (1998) |
| August 16 | 60.1°F (2019) | 33.1°F (2008) | 0.65 in (2010) |
| August 17 | 61.0°F (2019) | 33.1°F (2003) | 0.47 in (2003) |
| August 18 | 59.0°F (2019) | 37.9°F (1999) | 1.22 in (1998) |
| August 19 | 66.0°F (2019) | 42.1°F (2019) | 0.53 in (2006) |
| August 20 | 61.0°F (2004) | 42.1°F (2020) | 0.39 in (2002) |
| August 21 | 59.0°F (2019) | 42.1°F (2009) | 0.60 in (2005) |
| August 22 | 57.9°F (2019) | 39.0°F (2009) | 0.54 in (2017) |
| August 23 | 55.9°F (2019) | 39.0°F (2012) | 0.70 in (2014) |
| August 24 | 57.0°F (2014) | 37.0°F (1998) | 0.57 in (2013) |
| August 25 | 55.9°F (2014) | 39.0°F (2009) | 0.41 in (2010) |
| August 26 | 57.0°F (2019) | 37.9°F (1998) | 1.05 in (2009) |
| August 27 | 57.9°F (2016) | 34.0°F (2008) | 0.34 in (2000) |
| August 28 | 57.0°F (2016) | 32.0°F (2008) | 1.00 in (2012) |
| August 29 | 59.0°F (2016) | 39.9°F (1998) | 0.50 in (2006) |
| August 30 | 57.0°F (2016) | 39.0°F (2015) | 0.55 in (2020) |
| August 31 | 61.0°F (2016) | 41.0°F (2010) | 0.66 in (1999) |