Mio weather by month
What a typical year looks like in Mio, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mio Wwtp, 3 km from Mio; records cover 2006–2026.
The year at a glance
- Precipitation a year
- 32 in814 mm
- Snow a year
- 57 in145 cm
- Last spring freeze
- May 23
- First fall freeze
- Sep 19
- Heating degree days
- 7,833
- Cooling degree days
- 382
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −13°−25° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Mio in January
Highs average 28°−2° and lows 11°−12°, with 1.9 in47 mm of precipitation and 14 in37 cm of snow in a typical January.
- Record high
- 55°13° (2013)
- Record low
- −25°−32° (2019)
- Heating degree days
- 1415
- Cooling degree days
- 0
Mio in February
Highs average 32°0° and lows 10°−12°, with 1.4 in36 mm of precipitation and 13 in32 cm of snow in a typical February.
- Record high
- 70°21° (2024)
- Record low
- −32°−36° (2015)
- Heating degree days
- 1236
- Cooling degree days
- 0
Mio in March
Highs average 42°5° and lows 18°−8°, with 1.7 in43 mm of precipitation and 8 in20 cm of snow in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −22°−30° (2014)
- Heating degree days
- 1090
- Cooling degree days
- 1
Mio in April
Highs average 54°12° and lows 30°−1°, with 3.2 in82 mm of precipitation and 4 in10 cm of snow in a typical April.
- Record high
- 88°31° (2023)
- Record low
- −3°−19° (2016)
- Heating degree days
- 698
- Cooling degree days
- 1
Mio in May
Highs average 68°20° and lows 41°5°, with 3.5 in89 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 92°33° (2018)
- Record low
- 19°−7° (2020)
- Heating degree days
- 339
- Cooling degree days
- 21
Mio in June
Highs average 77°25° and lows 51°11°, with 3.6 in91 mm of precipitation in a typical June.
- Record high
- 96°36° (2009)
- Record low
- 29°−2° (2009)
- Heating degree days
- 103
- Cooling degree days
- 79
Mio in July
Highs average 81°27° and lows 56°13°, with 2.9 in75 mm of precipitation in a typical July.
- Record high
- 98°37° (2018)
- Record low
- 38°3° (2007)
- Heating degree days
- 40
- Cooling degree days
- 141
Mio in August
Highs average 79°26° and lows 54°12°, with 3.8 in96 mm of precipitation in a typical August.
- Record high
- 95°35° (2007)
- Record low
- 32°0° (2009)
- Heating degree days
- 56
- Cooling degree days
- 101
Mio in September
Highs average 72°22° and lows 47°8°, with 2.9 in73 mm of precipitation in a typical September.
- Record high
- 93°34° (2013)
- Record low
- 27°−3° (2020)
- Heating degree days
- 211
- Cooling degree days
- 36
Mio in OctoberThis month
Highs average 58°14° and lows 36°2°, with 3.1 in80 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 90°32° (2007)
- Record low
- 17°−8° (2009)
- Heating degree days
- 562
- Cooling degree days
- 2
Mio in November
Highs average 44°7° and lows 28°−2°, with 2.3 in58 mm of precipitation and 4 in9 cm of snow in a typical November.
- Record high
- 77°25° (2020)
- Record low
- −3°−19° (2013)
- Heating degree days
- 869
- Cooling degree days
- 0
Mio in December
Highs average 33°1° and lows 18°−8°, with 1.7 in43 mm of precipitation and 14 in37 cm of snow in a typical December.
- Record high
- 61°16° (2012)
- Record low
- −16°−27° (2008)
- Heating degree days
- 1214
- Cooling degree days
- 0