Marion weather by month
What a typical year looks like in Marion, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lake City Exp Farm, 24 km from Marion; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 33.4 in848 mm
- Snow a year
- 74 in188 cm
- Last spring freeze
- May 20
- First fall freeze
- Sep 25
- Heating degree days
- 8,085
- Cooling degree days
- 314
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 90°32° (cooling, 1%).
Month by month
Marion in January
Highs average 27°−3° and lows 10°−12°, with 1.9 in48 mm of precipitation and 19 in47 cm of snow in a typical January.
- Record high
- 61°16° (1944)
- Record low
- −37°−38° (1951)
- Heating degree days
- 1438
- Cooling degree days
- 0
Marion in February
Highs average 30°−1° and lows 10°−12°, with 1.5 in37 mm of precipitation and 14 in35 cm of snow in a typical February.
- Record high
- 69°21° (2024)
- Record low
- −41° (1899)
- Heating degree days
- 1261
- Cooling degree days
- 0
Marion in March
Highs average 41°5° and lows 17°−8°, with 1.9 in48 mm of precipitation and 9 in24 cm of snow in a typical March.
- Record high
- 86°30° (2012)
- Record low
- −37°−38° (1943)
- Heating degree days
- 1119
- Cooling degree days
- 0
Marion in April
Highs average 53°12° and lows 29°−1°, with 3.5 in90 mm of precipitation and 5 in13 cm of snow in a typical April.
- Record high
- 87°31° (1962)
- Record low
- −11°−24° (1954)
- Heating degree days
- 712
- Cooling degree days
- 1
Marion in May
Highs average 66°19° and lows 41°5°, with 3.5 in88 mm of precipitation and 0.3 in0.8 cm of snow in a typical May.
- Record high
- 93°34° (1934)
- Record low
- 17°−8° (1966)
- Heating degree days
- 368
- Cooling degree days
- 15
Marion in June
Highs average 76°25° and lows 51°10°, with 3.5 in88 mm of precipitation in a typical June.
- Record high
- 103°39° (1934)
- Record low
- 24°−4° (1949)
- Heating degree days
- 112
- Cooling degree days
- 66
Marion in July
Highs average 80°27° and lows 55°13°, with 3.1 in79 mm of precipitation in a typical July.
- Record high
- 106°41° (1936)
- Record low
- 32°0° (1945)
- Heating degree days
- 45
- Cooling degree days
- 121
Marion in August
Highs average 79°26° and lows 53°12°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 100°38° (1947)
- Record low
- 27°−3° (1982)
- Heating degree days
- 63
- Cooling degree days
- 85
Marion in September
Highs average 71°22° and lows 45°7°, with 3 in77 mm of precipitation in a typical September.
- Record high
- 97°36° (1899)
- Record low
- 20°−7° (1945)
- Heating degree days
- 237
- Cooling degree days
- 24
Marion in OctoberThis month
Highs average 57°14° and lows 35°2°, with 3.7 in93 mm of precipitation and 1.4 in3.6 cm of snow in a typical October.
- Record high
- 89°32° (2025)
- Record low
- 11°−12° (1933)
- Heating degree days
- 586
- Cooling degree days
- 2
Marion in November
Highs average 43°6° and lows 26°−3°, with 2.5 in64 mm of precipitation and 9 in23 cm of snow in a typical November.
- Record high
- 76°24° (2020)
- Record low
- −13°−25° (1950)
- Heating degree days
- 906
- Cooling degree days
- 0
Marion in December
Highs average 33°0° and lows 18°−8°, with 1.9 in49 mm of precipitation and 16 in41 cm of snow in a typical December.
- Record high
- 64°18° (2001)
- Record low
- −25°−32° (1976)
- Heating degree days
- 1238
- Cooling degree days
- 0