Munising weather by month
What a typical year looks like in Munising, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Munsing Lakeshore, 3 km from Munising; records cover 2004–2026.
The year at a glance
- Precipitation a year
- 31.7 in805 mm
- Snow a year
- Rare
- Last spring freeze
- May 20
- First fall freeze
- Oct 13
- Heating degree days
- 8,474
- Cooling degree days
- 219
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Munising in January
Highs average 26°−3° and lows 13°−11°, with 2 in50 mm of precipitation in a typical January.
- Record high
- 48°9° (2006)
- Record low
- −17°−27° (2026)
- Heating degree days
- 1416
- Cooling degree days
- 0
Munising in February
Highs average 28°−2° and lows 12°−11°, with 1.4 in36 mm of precipitation in a typical February.
- Record high
- 59°15° (2024)
- Record low
- −21°−29° (2014)
- Heating degree days
- 1267
- Cooling degree days
- 0
Munising in March
Highs average 36°2° and lows 20°−7°, with 1.5 in37 mm of precipitation in a typical March.
- Record high
- 84°29° (2012)
- Record low
- −18°−28° (2014)
- Heating degree days
- 1149
- Cooling degree days
- 0
Munising in April
Highs average 46°8° and lows 29°−2°, with 2.3 in58 mm of precipitation in a typical April.
- Record high
- 83°28° (2023)
- Record low
- 3°−16° (2018)
- Heating degree days
- 826
- Cooling degree days
- 0
Munising in May
Highs average 59°15° and lows 39°4°, with 2.8 in70 mm of precipitation in a typical May.
- Record high
- 92°33° (2006)
- Record low
- 23°−5° (2017)
- Heating degree days
- 497
- Cooling degree days
- 6
Munising in June
Highs average 68°20° and lows 48°9°, with 2.8 in70 mm of precipitation in a typical June.
- Record high
- 94°34° (2026)
- Record low
- 31°−1° (2019)
- Heating degree days
- 231
- Cooling degree days
- 30
Munising in July
Highs average 75°24° and lows 55°13°, with 3.1 in78 mm of precipitation in a typical July.
- Record high
- 95°35° (2005)
- Record low
- 39°4° (2013)
- Heating degree days
- 91
- Cooling degree days
- 85
Munising in August
Highs average 74°24° and lows 55°13°, with 2.7 in70 mm of precipitation in a typical August.
- Record high
- 97°36° (2007)
- Record low
- 37°3° (2009)
- Heating degree days
- 83
- Cooling degree days
- 67
Munising in September
Highs average 67°20° and lows 49°10°, with 3.9 in98 mm of precipitation in a typical September.
- Record high
- 92°33° (2023)
- Record low
- 31°−1° (2020)
- Heating degree days
- 232
- Cooling degree days
- 29
Munising in OctoberThis month
Highs average 55°13° and lows 39°4°, with 4.1 in104 mm of precipitation in a typical October.
- Record high
- 86°30° (2025)
- Record low
- 21°−6° (2023)
- Heating degree days
- 566
- Cooling degree days
- 2
Munising in November
Highs average 42°6° and lows 29°−2°, with 3.1 in79 mm of precipitation in a typical November.
- Record high
- 75°24° (2020)
- Record low
- −1°−18° (2005)
- Heating degree days
- 890
- Cooling degree days
- 0
Munising in December
Highs average 32°0° and lows 19°−7°, with 2.2 in55 mm of precipitation in a typical December.
- Record high
- 54°12° (2012)
- Record low
- −17°−27° (2004)
- Heating degree days
- 1226
- Cooling degree days
- 0