August weather in Seymour, WI
The average temperature in Seymour in August is 68.4°F (58.4°F–78.4°F). Average precipitation: 3.34 inches.
August is a summer month in Seymour, and is warmer than the annual average of 45.1°F. Daily temperatures swing about 20°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 52m. For travel, August is one of the best months of the year to visit.
Avg High
78.4°F
Avg Low
58.4°F
Precipitation
3.34 in
Daylight
13h 52m
August records in Seymour
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.9°F (2007) | 48.9°F (2019) | 1.68 in (2024) |
| August 2 | 93.0°F (2005) | 52.0°F (2009) | 0.86 in (2006) |
| August 3 | 93.9°F (2005) | 50.0°F (2013) | 0.67 in (2017) |
| August 4 | 87.1°F (2005) | 48.0°F (2020) | 0.74 in (2008) |
| August 5 | 87.1°F (2018) | 48.9°F (2020) | 1.84 in (2019) |
| August 6 | 89.1°F (2007) | 50.0°F (2004) | 1.17 in (2022) |
| August 7 | 90.0°F (2005) | 50.0°F (2004) | 1.34 in (2019) |
| August 8 | 93.0°F (2005) | 51.1°F (2006) | 3.98 in (2021) |
| August 9 | 93.9°F (2005) | 52.0°F (2006) | 1.98 in (2012) |
| August 10 | 91.9°F (2007) | 46.0°F (2008) | 0.87 in (2021) |
| August 11 | 90.0°F (2007) | 50.0°F (2006) | 0.55 in (2014) |
| August 12 | 90.0°F (2007) | 48.0°F (2006) | 1.02 in (2014) |
| August 13 | 87.1°F (2018) | 46.9°F (2013) | 1.00 in (2022) |
| August 14 | 89.1°F (2015) | 44.1°F (2013) | 1.10 in (2023) |
| August 15 | 87.1°F (2025) | 48.0°F (2014) | 0.43 in (2024) |
| August 16 | 88.0°F (2015) | 51.1°F (2006) | 0.56 in (2025) |
| August 17 | 86.0°F (2008) | 51.1°F (2007) | 1.06 in (2015) |
| August 18 | 88.0°F (2008) | 46.0°F (2007) | 1.66 in (2005) |
| August 19 | 86.0°F (2021) | 42.1°F (2004) | 1.28 in (2014) |
| August 20 | 86.0°F (2013) | 46.9°F (2004) | 2.98 in (2010) |
| August 21 | 87.1°F (2013) | 39.9°F (2004) | 1.39 in (2013) |
| August 22 | 84.0°F (2020) | 48.0°F (2011) | 0.22 in (2007) |
| August 23 | 91.0°F (2023) | 48.9°F (2009) | 1.13 in (2011) |
| August 24 | 88.0°F (2020) | 48.0°F (2017) | 1.07 in (2016) |
| August 25 | 90.0°F (2013) | 44.1°F (2017) | 0.64 in (2023) |
| August 26 | 91.9°F (2020) | 46.9°F (2017) | 0.74 in (2005) |
| August 27 | 90.0°F (2013) | 48.0°F (2025) | 1.73 in (2021) |
| August 28 | 91.0°F (2007) | 48.9°F (2009) | 2.56 in (2018) |
| August 29 | 88.0°F (2010) | 45.0°F (2025) | 1.01 in (2021) |
| August 30 | 88.0°F (2010) | 45.0°F (2009) | 0.62 in (2014) |
| August 31 | 90.0°F (2008) | 41.0°F (2009) | 0.08 in (2020) |