August weather in Slinger, WI
The average temperature in Slinger in August is 67.2°F (56.2°F–78.2°F). Average precipitation: 3.89 inches.
August is a summer month in Slinger, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Daylight averages about 13h 47m. For travel, August is one of the best months of the year to visit.
Avg High
78.2°F
Avg Low
56.2°F
Precipitation
3.89 in
Daylight
13h 47m
August records in Slinger
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 88.0°F (2011) | 44.1°F (2019) | 0.08 in (2013) |
| August 2 | 87.1°F (2011) | 46.0°F (2025) | 1.46 in (2024) |
| August 3 | 87.1°F (2015) | 48.9°F (2013) | 0.92 in (2020) |
| August 4 | 87.1°F (2012) | 45.0°F (2020) | 1.04 in (2022) |
| August 5 | 90.0°F (2012) | 46.0°F (2020) | 0.68 in (2014) |
| August 6 | 86.0°F (2018) | 48.9°F (2012) | 0.58 in (2019) |
| August 7 | 89.1°F (2022) | 48.9°F (2020) | 1.55 in (2021) |
| August 8 | 88.0°F (2012) | 50.0°F (2017) | 3.05 in (2021) |
| August 9 | 90.0°F (2025) | 46.9°F (2024) | 0.95 in (2010) |
| August 10 | 90.0°F (2025) | 48.9°F (2013) | 5.65 in (2025) |
| August 11 | 88.0°F (2021) | 46.9°F (2012) | 1.91 in (2025) |
| August 12 | 86.0°F (2010) | 48.9°F (2022) | 0.90 in (2014) |
| August 13 | 90.0°F (2010) | 46.9°F (2013) | 2.76 in (2016) |
| August 14 | 86.0°F (2010) | 41.0°F (2013) | 0.37 in (2019) |
| August 15 | 89.1°F (2015) | 43.0°F (2013) | 2.94 in (2023) |
| August 16 | 88.0°F (2015) | 46.9°F (2014) | 0.75 in (2024) |
| August 17 | 84.9°F (2015) | 48.0°F (2012) | 0.72 in (2023) |
| August 18 | 84.0°F (2015) | 43.0°F (2012) | 0.55 in (2018) |
| August 19 | 84.0°F (2016) | 46.9°F (2012) | 1.19 in (2014) |
| August 20 | 84.9°F (2011) | 46.0°F (2012) | 0.70 in (2016) |
| August 21 | 88.0°F (2010) | 44.1°F (2024) | 2.24 in (2018) |
| August 22 | 86.0°F (2013) | 44.1°F (2024) | 1.03 in (2014) |
| August 23 | 82.9°F (2014) | 46.0°F (2024) | 0.14 in (2013) |
| August 24 | 96.1°F (2023) | 48.0°F (2017) | 0.20 in (2011) |
| August 25 | 93.0°F (2023) | 41.0°F (2017) | 1.58 in (2022) |
| August 26 | 89.1°F (2012) | 41.0°F (2017) | 0.65 in (2020) |
| August 27 | 91.0°F (2024) | 46.0°F (2010) | 4.28 in (2018) |
| August 28 | 91.0°F (2013) | 46.9°F (2023) | 1.66 in (2018) |
| August 29 | 87.1°F (2021) | 45.0°F (2011) | 1.76 in (2015) |
| August 30 | 88.0°F (2010) | 48.0°F (2019) | 0.16 in (2024) |
| August 31 | 90.0°F (2013) | 42.1°F (2023) | 0.41 in (2013) |