Clayton weather by month
What a typical year looks like in Clayton, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ADRIAN 2 NNE, 19 km from Clayton; records cover 1887–2026.
The year at a glance
- Precipitation a year
- 36.7 in932 mm
- Snow a year
- 26 in66 cm
- Last spring freeze
- Apr 30
- First fall freeze
- Oct 12
- Heating degree days
- 6,339
- Cooling degree days
- 696
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Clayton in January
Highs average 33°1° and lows 17°−8°, with 2.2 in57 mm of precipitation and 9 in23 cm of snow in a typical January.
- Record high
- 68°20° (1950)
- Record low
- −26°−32° (1892)
- Heating degree days
- 1237
- Cooling degree days
- 0
Clayton in February
Highs average 36°2° and lows 18°−8°, with 2 in51 mm of precipitation and 6 in15 cm of snow in a typical February.
- Record high
- 71°22° (2024)
- Record low
- −24°−31° (1918)
- Heating degree days
- 1058
- Cooling degree days
- 0
Clayton in March
Highs average 47°8° and lows 26°−3°, with 2.5 in63 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 85°29° (1905)
- Record low
- −8°−22° (1934)
- Heating degree days
- 887
- Cooling degree days
- 0
Clayton in April
Highs average 60°16° and lows 36°2°, with 3.5 in89 mm of precipitation and 1 in2.5 cm of snow in a typical April.
- Record high
- 92°33° (1915)
- Record low
- 5°−15° (1982)
- Heating degree days
- 514
- Cooling degree days
- 4
Clayton in May
Highs average 72°22° and lows 47°8°, with 4 in101 mm of precipitation in a typical May.
- Record high
- 99°37° (1911)
- Record low
- 20°−7° (1978)
- Heating degree days
- 217
- Cooling degree days
- 39
Clayton in June
Highs average 81°27° and lows 57°14°, with 4.1 in104 mm of precipitation in a typical June.
- Record high
- 106°41° (1934)
- Record low
- 33°1° (1913)
- Heating degree days
- 37
- Cooling degree days
- 150
Clayton in July
Highs average 85°29° and lows 60°16°, with 3.4 in86 mm of precipitation in a typical July.
- Record high
- 108°42° (1934)
- Record low
- 41°5° (1925)
- Heating degree days
- 6
- Cooling degree days
- 238
Clayton in August
Highs average 83°28° and lows 59°15°, with 3.6 in92 mm of precipitation in a typical August.
- Record high
- 107°42° (1918)
- Record low
- 32°0° (1986)
- Heating degree days
- 13
- Cooling degree days
- 188
Clayton in September
Highs average 76°24° and lows 51°11°, with 3.3 in84 mm of precipitation in a typical September.
- Record high
- 104°40° (1913)
- Record low
- 26°−3° (1942)
- Heating degree days
- 117
- Cooling degree days
- 70
Clayton in OctoberThis month
Highs average 63°17° and lows 40°5°, with 3 in75 mm of precipitation in a typical October.
- Record high
- 91°33° (1939)
- Record low
- 15°−9° (1895)
- Heating degree days
- 421
- Cooling degree days
- 7
Clayton in November
Highs average 49°10° and lows 31°−1°, with 2.8 in72 mm of precipitation and 1.3 in3.3 cm of snow in a typical November.
- Record high
- 80°27° (1950)
- Record low
- −5°−21° (1891)
- Heating degree days
- 755
- Cooling degree days
- 0
Clayton in December
Highs average 38°3° and lows 23°−5°, with 2.3 in58 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 69°21° (2001)
- Record low
- −17°−27° (1917)
- Heating degree days
- 1077
- Cooling degree days
- 0