August weather in Munising, MI
The average temperature in Munising in August is 64.5°F (54.7°F–74.3°F). Average precipitation: 2.74 inches.
August is a summer month in Munising, and is warmer than the annual average of 42.2°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 60m. For travel, August is one of the best months of the year to visit.
Avg High
74.3°F
Avg Low
54.7°F
Precipitation
2.74 in
Daylight
13h 60m
August records in Munising
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (2007) | 46.0°F (2025) | 1.06 in (2006) |
| August 2 | 91.0°F (2005) | 50.0°F (2014) | 0.17 in (2011) |
| August 3 | 91.9°F (2005) | 51.1°F (2018) | 1.09 in (2017) |
| August 4 | 89.1°F (2012) | 48.0°F (2019) | 0.23 in (2018) |
| August 5 | 88.0°F (2019) | 45.0°F (2020) | 0.72 in (2019) |
| August 6 | 89.1°F (2022) | 48.0°F (2009) | 0.70 in (2011) |
| August 7 | 89.1°F (2005) | 45.0°F (2009) | 0.43 in (2011) |
| August 8 | 91.9°F (2025) | 50.0°F (2006) | 0.83 in (2020) |
| August 9 | 89.1°F (2020) | 46.0°F (2022) | 0.72 in (2009) |
| August 10 | 86.0°F (2021) | 51.1°F (2008) | 0.48 in (2021) |
| August 11 | 82.9°F (2020) | 46.9°F (2008) | 0.23 in (2016) |
| August 12 | 84.9°F (2009) | 44.1°F (2022) | 0.21 in (2025) |
| August 13 | 87.1°F (2009) | 48.0°F (2014) | 0.06 in (2016) |
| August 14 | 84.9°F (2020) | 43.0°F (2014) | 0.31 in (2016) |
| August 15 | 89.1°F (2009) | 44.1°F (2014) | 0.47 in (2025) |
| August 16 | 95.0°F (2015) | 48.9°F (2006) | 2.02 in (2024) |
| August 17 | 88.0°F (2008) | 46.0°F (2005) | 1.08 in (2017) |
| August 18 | 89.1°F (2016) | 42.1°F (2007) | 0.89 in (2010) |
| August 19 | 84.9°F (2013) | 44.1°F (2012) | 2.62 in (2006) |
| August 20 | 90.0°F (2021) | 44.1°F (2024) | 1.65 in (2016) |
| August 21 | 90.0°F (2013) | 45.0°F (2024) | 0.80 in (2013) |
| August 22 | 82.9°F (2008) | 46.9°F (2009) | 0.28 in (2023) |
| August 23 | 86.0°F (2021) | 45.0°F (2009) | 0.29 in (2015) |
| August 24 | 84.0°F (2012) | 41.0°F (2017) | 0.47 in (2025) |
| August 25 | 93.9°F (2013) | 37.9°F (2017) | 0.76 in (2006) |
| August 26 | 90.0°F (2024) | 42.1°F (2017) | 1.13 in (2019) |
| August 27 | 82.9°F (2007) | 42.1°F (2025) | 1.30 in (2005) |
| August 28 | 89.1°F (2021) | 43.0°F (2025) | 1.06 in (2020) |
| August 29 | 89.1°F (2013) | 39.0°F (2025) | 0.80 in (2014) |
| August 30 | 91.0°F (2010) | 41.0°F (2009) | 1.41 in (2014) |
| August 31 | 88.0°F (2008) | 37.0°F (2009) | 0.44 in (2020) |