Lake Orion weather by month
What a typical year looks like in Lake Orion, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at PONTIAC WWTP, 16 km from Lake Orion; records cover 1894–2026.
The year at a glance
- Precipitation a year
- 33.9 in861 mm
- Snow a year
- 36 in91 cm
- Last spring freeze
- Apr 24
- First fall freeze
- Oct 19
- Heating degree days
- 6,475
- Cooling degree days
- 721
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Lake Orion in January
Highs average 31°0° and lows 17°−8°, with 2.2 in55 mm of precipitation and 12 in31 cm of snow in a typical January.
- Record high
- 66°19° (1950)
- Record low
- −21°−29° (1994)
- Heating degree days
- 1265
- Cooling degree days
- 0
Lake Orion in February
Highs average 34°1° and lows 18°−8°, with 1.9 in47 mm of precipitation and 9 in23 cm of snow in a typical February.
- Record high
- 72°22° (2024)
- Record low
- −22°−30° (1918)
- Heating degree days
- 1089
- Cooling degree days
- 0
Lake Orion in March
Highs average 44°7° and lows 26°−3°, with 2.2 in56 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 84°29° (2012)
- Record low
- −8°−22° (1895)
- Heating degree days
- 923
- Cooling degree days
- 1
Lake Orion in April
Highs average 58°14° and lows 36°2°, with 2.9 in75 mm of precipitation and 0.9 in2.3 cm of snow in a typical April.
- Record high
- 89°32° (1925)
- Record low
- 6°−14° (1923)
- Heating degree days
- 543
- Cooling degree days
- 3
Lake Orion in May
Highs average 69°21° and lows 49°9°, with 3.8 in97 mm of precipitation in a typical May.
- Record high
- 95°35° (1911)
- Record low
- 23°−5° (1909)
- Heating degree days
- 223
- Cooling degree days
- 43
Lake Orion in June
Highs average 78°26° and lows 59°15°, with 3.3 in84 mm of precipitation in a typical June.
- Record high
- 102°39° (1988)
- Record low
- 34°1° (1972)
- Heating degree days
- 39
- Cooling degree days
- 141
Lake Orion in July
Highs average 82°28° and lows 63°17°, with 3.1 in80 mm of precipitation in a typical July.
- Record high
- 104°40° (1934)
- Record low
- 41°5° (1972)
- Heating degree days
- 6
- Cooling degree days
- 242
Lake Orion in August
Highs average 81°27° and lows 62°17°, with 3.2 in82 mm of precipitation in a typical August.
- Record high
- 102°39° (1918)
- Record low
- 37°3° (1923)
- Heating degree days
- 12
- Cooling degree days
- 206
Lake Orion in September
Highs average 74°23° and lows 54°12°, with 2.9 in74 mm of precipitation in a typical September.
- Record high
- 98°37° (1953)
- Record low
- 29°−2° (1896)
- Heating degree days
- 116
- Cooling degree days
- 80
Lake Orion in OctoberThis month
Highs average 61°16° and lows 42°6°, with 2.9 in74 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 90°32° (1953)
- Record low
- 15°−9° (1895)
- Heating degree days
- 427
- Cooling degree days
- 5
Lake Orion in November
Highs average 47°9° and lows 32°0°, with 3.2 in80 mm of precipitation and 1.7 in4.3 cm of snow in a typical November.
- Record high
- 79°26° (1950)
- Record low
- 2°−17° (1929)
- Heating degree days
- 758
- Cooling degree days
- 0
Lake Orion in December
Highs average 36°2° and lows 24°−4°, with 2.3 in57 mm of precipitation and 8 in21 cm of snow in a typical December.
- Record high
- 65°18° (2001)
- Record low
- −12°−24° (1924)
- Heating degree days
- 1074
- Cooling degree days
- 0