August weather in Wilmington, OH
The average temperature in Wilmington in August is 73.0°F (61.8°F–84.3°F). Average precipitation: 3.42 inches.
August is a summer month in Wilmington, and is warmer than the annual average of 53.7°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 33m. For travel, August is a comfortable month to visit.
Avg High
84.3°F
Avg Low
61.8°F
Precipitation
3.42 in
Daylight
13h 33m
August records in Wilmington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.9°F (1995) | 55.0°F (1997) | 0.27 in (2020) |
| August 2 | 93.9°F (2005) | 54.0°F (1998) | 0.65 in (2003) |
| August 3 | 93.9°F (1995) | 53.1°F (2009) | 1.48 in (2020) |
| August 4 | 95.0°F (2010) | 55.9°F (2013) | 1.13 in (2009) |
| August 5 | 93.0°F (2002) | 51.1°F (2000) | 2.21 in (1995) |
| August 6 | 91.9°F (1996) | 45.0°F (1997) | 1.25 in (2005) |
| August 7 | 93.9°F (2007) | 46.9°F (1997) | 0.65 in (2000) |
| August 8 | 97.0°F (2007) | 48.9°F (1997) | 1.46 in (2011) |
| August 9 | 95.0°F (2007) | 52.0°F (2017) | 0.53 in (2023) |
| August 10 | 93.9°F (2010) | 53.1°F (1996) | 1.70 in (2018) |
| August 11 | 91.9°F (2002) | 53.1°F (2011) | 0.87 in (2010) |
| August 12 | 93.9°F (2007) | 51.1°F (2024) | 0.39 in (2025) |
| August 13 | 93.9°F (1995) | 51.1°F (2004) | 2.43 in (2019) |
| August 14 | 93.0°F (2010) | 50.0°F (2004) | 1.09 in (2010) |
| August 15 | 95.0°F (1995) | 46.0°F (2013) | 1.56 in (2016) |
| August 16 | 93.0°F (1995) | 46.9°F (2014) | 1.39 in (2018) |
| August 17 | 93.0°F (1999) | 52.0°F (2008) | 2.29 in (1997) |
| August 18 | 91.0°F (2019) | 54.0°F (2003) | 1.52 in (1995) |
| August 19 | 91.0°F (2019) | 52.0°F (2023) | 0.51 in (2015) |
| August 20 | 93.0°F (2005) | 50.0°F (1998) | 0.58 in (2018) |
| August 21 | 91.9°F (2008) | 46.0°F (2024) | 0.84 in (2022) |
| August 22 | 95.0°F (2007) | 46.9°F (2024) | 0.30 in (2017) |
| August 23 | 97.0°F (2007) | 50.0°F (1997) | 0.18 in (1996) |
| August 24 | 95.0°F (2007) | 51.1°F (2009) | 2.44 in (1999) |
| August 25 | 93.0°F (2023) | 50.0°F (2015) | 0.52 in (2011) |
| August 26 | 91.9°F (2016) | 46.9°F (2025) | 0.71 in (2019) |
| August 27 | 93.0°F (2021) | 44.1°F (2025) | 0.96 in (2000) |
| August 28 | 93.9°F (2007) | 46.9°F (2015) | 2.00 in (2001) |
| August 29 | 97.0°F (2007) | 48.9°F (2025) | 0.87 in (2007) |
| August 30 | 95.0°F (2024) | 46.0°F (2025) | 2.96 in (2005) |
| August 31 | 91.9°F (2012) | 45.0°F (2009) | 1.93 in (2014) |