August weather in Prairie du Sac, WI
The average temperature in Prairie du Sac in August is 69.0°F (57.7°F–80.2°F). Average precipitation: 4.12 inches.
August is a summer month in Prairie du Sac, and is warmer than the annual average of 45.9°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 47m. For travel, August is a comfortable month to visit.
Avg High
80.2°F
Avg Low
57.7°F
Precipitation
4.12 in
Daylight
13h 47m
August records in Prairie du Sac
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.0°F (2024) | 48.0°F (2025) | 0.45 in (2022) |
| August 2 | 97.0°F (2008) | 48.9°F (2008) | 0.36 in (2018) |
| August 3 | 91.9°F (2011) | 51.1°F (2025) | 0.27 in (2016) |
| August 4 | 91.0°F (2012) | 46.0°F (2020) | 0.90 in (2019) |
| August 5 | 88.0°F (2012) | 46.9°F (2020) | 1.77 in (2016) |
| August 6 | 86.0°F (2011) | 50.0°F (2012) | 1.14 in (2019) |
| August 7 | 90.0°F (2022) | 50.0°F (2020) | 2.41 in (2022) |
| August 8 | 91.0°F (2012) | 48.9°F (2008) | 1.37 in (2010) |
| August 9 | 89.1°F (2025) | 51.1°F (2017) | 0.78 in (2010) |
| August 10 | 90.0°F (2010) | 46.0°F (2008) | 1.04 in (2021) |
| August 11 | 91.0°F (2021) | 46.9°F (2008) | 2.33 in (2025) |
| August 12 | 87.1°F (2010) | 50.0°F (2012) | 0.57 in (2016) |
| August 13 | 91.9°F (2010) | 48.9°F (2017) | 1.13 in (2016) |
| August 14 | 87.1°F (2018) | 48.9°F (2021) | 1.90 in (2023) |
| August 15 | 91.0°F (2015) | 45.0°F (2014) | 1.10 in (2023) |
| August 16 | 91.9°F (2015) | 46.0°F (2014) | 0.46 in (2019) |
| August 17 | 89.1°F (2015) | 48.9°F (2012) | 0.83 in (2017) |
| August 18 | 86.0°F (2011) | 46.0°F (2012) | 0.73 in (2009) |
| August 19 | 88.0°F (2021) | 50.0°F (2012) | 0.93 in (2015) |
| August 20 | 90.0°F (2021) | 51.1°F (2012) | 1.56 in (2016) |
| August 21 | 91.9°F (2023) | 45.0°F (2012) | 4.05 in (2018) |
| August 22 | 84.9°F (2020) | 45.0°F (2012) | 0.34 in (2014) |
| August 23 | 91.0°F (2014) | 45.0°F (2012) | 1.21 in (2013) |
| August 24 | 97.0°F (2023) | 48.0°F (2019) | 0.97 in (2011) |
| August 25 | 96.1°F (2023) | 42.1°F (2017) | 1.84 in (2022) |
| August 26 | 91.0°F (2020) | 39.9°F (2008) | 2.23 in (2014) |
| August 27 | 93.9°F (2024) | 42.1°F (2008) | 1.60 in (2016) |
| August 28 | 93.9°F (2020) | 46.0°F (2015) | 2.01 in (2020) |
| August 29 | 90.0°F (2021) | 48.0°F (2011) | 1.91 in (2018) |
| August 30 | 89.1°F (2010) | 46.0°F (2009) | 0.91 in (2024) |
| August 31 | 93.0°F (2008) | 42.1°F (2009) | 0.33 in (2011) |