Plainwell weather by month
What a typical year looks like in Plainwell, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Gull Lake Biological Station, 22 km from Plainwell; records cover 1929–2026.
The year at a glance
- Precipitation a year
- 39.5 in1003 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 16
- Heating degree days
- 6,088
- Cooling degree days
- 809
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −1°−18° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Plainwell in January
Highs average 32°0° and lows 19°−7°, with 3 in75 mm of precipitation in a typical January.
- Record high
- 66°19° (1950)
- Record low
- −21°−29° (1951)
- Heating degree days
- 1228
- Cooling degree days
- 0
Plainwell in February
Highs average 36°2° and lows 20°−7°, with 1.9 in49 mm of precipitation in a typical February.
- Record high
- 71°22° (2024)
- Record low
- −19°−28° (1996)
- Heating degree days
- 1044
- Cooling degree days
- 0
Plainwell in March
Highs average 48°9° and lows 28°−2°, with 2.3 in57 mm of precipitation in a typical March.
- Record high
- 86°30° (2012)
- Record low
- −15°−26° (1943)
- Heating degree days
- 841
- Cooling degree days
- 1
Plainwell in April
Highs average 61°16° and lows 38°3°, with 3.6 in91 mm of precipitation in a typical April.
- Record high
- 88°31° (2002)
- Record low
- 4°−16° (1982)
- Heating degree days
- 475
- Cooling degree days
- 7
Plainwell in May
Highs average 72°22° and lows 49°10°, with 3.9 in100 mm of precipitation in a typical May.
- Record high
- 96°36° (2006)
- Record low
- 22°−6° (1947)
- Heating degree days
- 189
- Cooling degree days
- 58
Plainwell in June
Highs average 81°27° and lows 58°15°, with 4 in100 mm of precipitation in a typical June.
- Record high
- 102°39° (1934)
- Record low
- 28°−2° (1992)
- Heating degree days
- 29
- Cooling degree days
- 173
Plainwell in July
Highs average 85°29° and lows 62°17°, with 3.8 in97 mm of precipitation in a typical July.
- Record high
- 108°42° (1936)
- Record low
- 40°4° (2001)
- Heating degree days
- 5
- Cooling degree days
- 261
Plainwell in August
Highs average 82°28° and lows 61°16°, with 4.2 in106 mm of precipitation in a typical August.
- Record high
- 103°39° (1947)
- Record low
- 37°3° (1941)
- Heating degree days
- 12
- Cooling degree days
- 212
Plainwell in September
Highs average 76°24° and lows 53°12°, with 3.5 in88 mm of precipitation in a typical September.
- Record high
- 100°38° (1953)
- Record low
- 25°−4° (1942)
- Heating degree days
- 106
- Cooling degree days
- 87
Plainwell in OctoberThis month
Highs average 63°17° and lows 43°6°, with 4 in100 mm of precipitation in a typical October.
- Record high
- 90°32° (1963)
- Record low
- 18°−8° (1976)
- Heating degree days
- 377
- Cooling degree days
- 10
Plainwell in November
Highs average 48°9° and lows 34°1°, with 2.9 in75 mm of precipitation in a typical November.
- Record high
- 79°26° (1950)
- Record low
- −7°−22° (1950)
- Heating degree days
- 716
- Cooling degree days
- 0
Plainwell in December
Highs average 37°3° and lows 25°−4°, with 2.5 in64 mm of precipitation in a typical December.
- Record high
- 69°21° (2001)
- Record low
- −15°−26° (1976)
- Heating degree days
- 1066
- Cooling degree days
- 0