August weather in Mount Sterling, WI
The average temperature in Mount Sterling in August is 70.2°F (58.9°F–81.5°F). Average precipitation: 4.43 inches.
August is a summer month in Mount Sterling, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 47m. For travel, August is a comfortable month to visit.
Avg High
81.5°F
Avg Low
58.9°F
Precipitation
4.43 in
Daylight
13h 47m
August records in Mount Sterling
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1988) | 48.9°F (1990) | 2.05 in (1995) |
| August 2 | 102.9°F (1988) | 46.9°F (2009) | 1.31 in (2018) |
| August 3 | 100.0°F (1988) | 48.9°F (1986) | 0.63 in (2002) |
| August 4 | 100.0°F (1988) | 46.0°F (1992) | 3.77 in (1982) |
| August 5 | 91.9°F (1988) | 42.1°F (1994) | 3.81 in (2007) |
| August 6 | 90.0°F (2001) | 42.1°F (1994) | 1.62 in (2024) |
| August 7 | 93.0°F (1988) | 45.0°F (1990) | 1.30 in (2007) |
| August 8 | 96.1°F (2001) | 46.0°F (1989) | 2.58 in (2010) |
| August 9 | 91.9°F (2001) | 46.9°F (1994) | 0.81 in (2010) |
| August 10 | 93.0°F (2005) | 46.0°F (2024) | 1.03 in (2025) |
| August 11 | 91.0°F (2007) | 46.0°F (2012) | 0.97 in (1994) |
| August 12 | 93.9°F (1988) | 46.9°F (1986) | 1.33 in (2005) |
| August 13 | 93.9°F (1995) | 43.0°F (2004) | 0.49 in (2022) |
| August 14 | 93.0°F (1995) | 45.0°F (1994) | 1.29 in (1987) |
| August 15 | 91.9°F (1988) | 45.0°F (1992) | 1.41 in (1993) |
| August 16 | 96.1°F (1988) | 44.1°F (1992) | 1.07 in (2002) |
| August 17 | 100.9°F (1988) | 45.0°F (1992) | 1.31 in (2000) |
| August 18 | 102.0°F (1988) | 44.1°F (2012) | 0.96 in (1990) |
| August 19 | 91.9°F (1990) | 42.1°F (2004) | 7.41 in (2007) |
| August 20 | 95.0°F (2003) | 44.1°F (2004) | 1.11 in (2016) |
| August 21 | 90.0°F (2003) | 37.9°F (2004) | 1.24 in (2014) |
| August 22 | 88.0°F (1995) | 42.1°F (2004) | 1.47 in (2001) |
| August 23 | 91.0°F (2023) | 46.0°F (1987) | 1.37 in (1988) |
| August 24 | 102.9°F (2023) | 44.1°F (1987) | 5.10 in (2016) |
| August 25 | 99.0°F (2023) | 44.1°F (1987) | 2.75 in (1990) |
| August 26 | 95.0°F (2020) | 44.1°F (2025) | 1.52 in (1986) |
| August 27 | 95.0°F (2024) | 46.9°F (1986) | 1.27 in (2021) |
| August 28 | 96.1°F (2020) | 37.9°F (1986) | 2.30 in (1989) |
| August 29 | 91.9°F (2007) | 43.0°F (1992) | 1.64 in (2015) |
| August 30 | 89.1°F (2010) | 45.0°F (1988) | 1.85 in (1982) |
| August 31 | 91.9°F (2012) | 39.9°F (2009) | 0.66 in (1981) |