Okemos weather by month
What a typical year looks like in Okemos, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lansing Capital City Airport, 17 km from Okemos; records cover 1863–2026.
The year at a glance
- Precipitation a year
- 33.3 in847 mm
- Snow a year
- 50 in128 cm
- Last spring freeze
- May 4
- First fall freeze
- Oct 7
- Heating degree days
- 6,612
- Cooling degree days
- 657
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −5°−21° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Okemos in January
Highs average 31°−1° and lows 17°−8°, with 2.1 in52 mm of precipitation and 14 in36 cm of snow in a typical January.
- Record high
- 66°19° (1967)
- Record low
- −29°−34° (1981)
- Heating degree days
- 1274
- Cooling degree days
- 0
Okemos in February
Highs average 34°1° and lows 18°−8°, with 1.7 in43 mm of precipitation and 13 in33 cm of snow in a typical February.
- Record high
- 73°23° (2024)
- Record low
- −37°−38° (1868)
- Heating degree days
- 1095
- Cooling degree days
- 0
Okemos in March
Highs average 44°7° and lows 26°−3°, with 2.1 in54 mm of precipitation and 6 in15 cm of snow in a typical March.
- Record high
- 86°30° (2012)
- Record low
- −25°−32° (1868)
- Heating degree days
- 925
- Cooling degree days
- 1
Okemos in April
Highs average 58°14° and lows 36°2°, with 3.3 in83 mm of precipitation and 1.7 in4.3 cm of snow in a typical April.
- Record high
- 88°31° (1915)
- Record low
- −6°−21° (1868)
- Heating degree days
- 544
- Cooling degree days
- 4
Okemos in May
Highs average 69°21° and lows 48°9°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 96°36° (1874)
- Record low
- 19°−7° (1966)
- Heating degree days
- 244
- Cooling degree days
- 41
Okemos in June
Highs average 79°26° and lows 57°14°, with 3.8 in96 mm of precipitation in a typical June.
- Record high
- 99°37° (1870)
- Record low
- 27°−3° (1869)
- Heating degree days
- 48
- Cooling degree days
- 138
Okemos in July
Highs average 83°28° and lows 61°16°, with 2.9 in75 mm of precipitation in a typical July.
- Record high
- 103°39° (2012)
- Record low
- 31°−1° (1863)
- Heating degree days
- 10
- Cooling degree days
- 222
Okemos in August
Highs average 81°27° and lows 60°15°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 102°39° (1918)
- Record low
- 26°−3° (1863)
- Heating degree days
- 20
- Cooling degree days
- 177
Okemos in September
Highs average 74°23° and lows 52°11°, with 2.8 in71 mm of precipitation in a typical September.
- Record high
- 99°37° (1894)
- Record low
- 19°−7° (1863)
- Heating degree days
- 140
- Cooling degree days
- 66
Okemos in OctoberThis month
Highs average 61°16° and lows 41°5°, with 3.2 in80 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 90°32° (1898)
- Record low
- 10°−12° (1868)
- Heating degree days
- 446
- Cooling degree days
- 8
Okemos in November
Highs average 47°8° and lows 32°0°, with 2.5 in62 mm of precipitation and 4 in10 cm of snow in a typical November.
- Record high
- 79°26° (1950)
- Record low
- −5°−21° (1949)
- Heating degree days
- 766
- Cooling degree days
- 0
Okemos in December
Highs average 36°2° and lows 23°−5°, with 1.9 in48 mm of precipitation and 11 in29 cm of snow in a typical December.
- Record high
- 70°21° (1875)
- Record low
- −25°−32° (1864)
- Heating degree days
- 1100
- Cooling degree days
- 0