August weather in Granville, OH
The average temperature in Granville in August is 72.7°F (60.9°F–84.4°F). Average precipitation: 3.39 inches.
August is a summer month in Granville, and is warmer than the annual average of 53.2°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 35m. For travel, August is a comfortable month to visit.
Avg High
84.4°F
Avg Low
60.9°F
Precipitation
3.39 in
Daylight
13h 35m
August records in Granville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.0°F (2005) | 53.1°F (2009) | 0.64 in (2024) |
| August 2 | 93.0°F (2002) | 54.0°F (2025) | 0.38 in (2003) |
| August 3 | 95.0°F (2005) | 51.1°F (1999) | 0.96 in (2003) |
| August 4 | 97.0°F (2005) | 52.0°F (2000) | 1.11 in (2010) |
| August 5 | 91.9°F (2002) | 46.0°F (2000) | 1.15 in (2007) |
| August 6 | 93.0°F (2024) | 48.9°F (2004) | 0.19 in (2000) |
| August 7 | 91.9°F (1999) | 51.1°F (2002) | 0.41 in (2021) |
| August 8 | 93.9°F (2012) | 48.9°F (2002) | 0.68 in (2018) |
| August 9 | 93.0°F (2007) | 50.0°F (2002) | 1.97 in (2012) |
| August 10 | 93.0°F (2020) | 51.1°F (1999) | 0.66 in (2015) |
| August 11 | 91.9°F (2002) | 51.1°F (2011) | 3.23 in (2014) |
| August 12 | 97.0°F (2005) | 48.0°F (2011) | 1.30 in (2021) |
| August 13 | 96.1°F (2005) | 48.9°F (2004) | 0.88 in (1999) |
| August 14 | 91.0°F (2010) | 48.0°F (2004) | 1.12 in (2023) |
| August 15 | 89.1°F (2024) | 45.0°F (2013) | 2.37 in (2020) |
| August 16 | 91.9°F (2025) | 44.1°F (2014) | 1.44 in (2020) |
| August 17 | 91.0°F (1999) | 48.0°F (2004) | 0.71 in (2021) |
| August 18 | 91.0°F (2019) | 48.9°F (2008) | 0.69 in (2005) |
| August 19 | 90.0°F (2005) | 48.0°F (2023) | 0.80 in (2004) |
| August 20 | 95.0°F (2005) | 50.0°F (2020) | 1.35 in (2022) |
| August 21 | 91.0°F (2008) | 43.0°F (2024) | 1.64 in (2022) |
| August 22 | 91.0°F (2002) | 44.1°F (2024) | 1.09 in (2014) |
| August 23 | 91.0°F (2007) | 46.0°F (2024) | 1.12 in (2013) |
| August 24 | 91.9°F (2021) | 48.9°F (2009) | 1.48 in (2023) |
| August 25 | 93.9°F (2024) | 50.0°F (2009) | 0.68 in (2011) |
| August 26 | 95.0°F (2024) | 46.0°F (2025) | 0.67 in (2004) |
| August 27 | 97.0°F (2024) | 44.1°F (2025) | 1.07 in (2019) |
| August 28 | 98.1°F (2024) | 45.0°F (2025) | 1.36 in (2009) |
| August 29 | 95.0°F (2024) | 48.0°F (2025) | 1.18 in (2003) |
| August 30 | 98.1°F (2024) | 43.0°F (2025) | 3.38 in (2005) |
| August 31 | 96.1°F (2012) | 43.0°F (2009) | 1.41 in (2021) |