August weather in Hermantown, MN
The average temperature in Hermantown in August is 65.0°F (55.2°F–74.8°F). Average precipitation: 3.55 inches.
August is a summer month in Hermantown, and is warmer than the annual average of 39.7°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Daylight averages about 14h 1m. For travel, August is one of the best months of the year to visit.
Avg High
74.8°F
Avg Low
55.2°F
Precipitation
3.55 in
Daylight
14h 1m
August records in Hermantown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 84.0°F (2024) | 48.9°F (2019) | 0.95 in (2022) |
| August 2 | 84.9°F (2012) | 50.0°F (2018) | 0.40 in (2018) |
| August 3 | 84.0°F (2023) | 48.9°F (2018) | 1.04 in (2016) |
| August 4 | 84.9°F (2023) | 48.0°F (2018) | 1.18 in (2017) |
| August 5 | 84.0°F (2016) | 46.0°F (2013) | 1.28 in (2018) |
| August 6 | 84.0°F (2022) | 48.9°F (2015) | 0.50 in (2013) |
| August 7 | 84.9°F (2025) | 50.0°F (2017) | 1.04 in (2015) |
| August 8 | 82.9°F (2025) | 50.0°F (2022) | 0.79 in (2020) |
| August 9 | 84.9°F (2020) | 48.9°F (2022) | 0.22 in (2020) |
| August 10 | 82.9°F (2016) | 50.0°F (2013) | 0.66 in (2017) |
| August 11 | 81.0°F (2018) | 44.1°F (2023) | 0.26 in (2016) |
| August 12 | 86.0°F (2018) | 48.9°F (2012) | 1.17 in (2014) |
| August 13 | 84.9°F (2018) | 46.9°F (2013) | 0.11 in (2016) |
| August 14 | 86.0°F (2015) | 46.9°F (2013) | 0.11 in (2015) |
| August 15 | 88.0°F (2015) | 45.0°F (2023) | 0.37 in (2020) |
| August 16 | 88.0°F (2015) | 45.0°F (2023) | 1.20 in (2024) |
| August 17 | 84.9°F (2023) | 48.9°F (2012) | 1.78 in (2022) |
| August 18 | 86.0°F (2021) | 44.1°F (2012) | 0.60 in (2014) |
| August 19 | 87.1°F (2021) | 50.0°F (2015) | 1.33 in (2015) |
| August 20 | 88.0°F (2021) | 46.9°F (2012) | 0.44 in (2015) |
| August 21 | 89.1°F (2013) | 45.0°F (2012) | 0.19 in (2019) |
| August 22 | 84.9°F (2013) | 48.9°F (2016) | 0.91 in (2017) |
| August 23 | 84.0°F (2012) | 48.0°F (2021) | 0.69 in (2015) |
| August 24 | 84.9°F (2021) | 46.9°F (2019) | 0.14 in (2012) |
| August 25 | 86.0°F (2012) | 43.0°F (2025) | 0.49 in (2018) |
| August 26 | 93.0°F (2013) | 46.0°F (2017) | 0.17 in (2023) |
| August 27 | 90.0°F (2013) | 46.0°F (2015) | 1.96 in (2017) |
| August 28 | 84.0°F (2013) | 42.1°F (2023) | 0.76 in (2013) |
| August 29 | 86.0°F (2013) | 48.9°F (2025) | 0.72 in (2021) |
| August 30 | 84.0°F (2012) | 46.9°F (2018) | 2.08 in (2016) |
| August 31 | 82.0°F (2012) | 46.0°F (2019) | 0.50 in (2025) |