Lake Isabella weather by month
What a typical year looks like in Lake Isabella, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at CENTRAL MICHIGAN UNIVERSITY, 20 km from Lake Isabella; records cover 1895–2026.
The year at a glance
- Precipitation a year
- 35.5 in901 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 18
- Heating degree days
- 6,899
- Cooling degree days
- 661
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
Lake Isabella in January
Highs average 30°−1° and lows 16°−9°, with 2.1 in54 mm of precipitation in a typical January.
- Record high
- 60°16° (1950)
- Record low
- −25°−32° (1925)
- Heating degree days
- 1311
- Cooling degree days
- 0
Lake Isabella in February
Highs average 32°0° and lows 17°−9°, with 1.7 in44 mm of precipitation in a typical February.
- Record high
- 73°23° (2024)
- Record low
- −30°−34° (1918)
- Heating degree days
- 1137
- Cooling degree days
- 0
Lake Isabella in March
Highs average 43°6° and lows 24°−5°, with 2 in50 mm of precipitation in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −18°−28° (1943)
- Heating degree days
- 988
- Cooling degree days
- 1
Lake Isabella in April
Highs average 56°13° and lows 34°1°, with 3.6 in91 mm of precipitation in a typical April.
- Record high
- 91°33° (2002)
- Record low
- −3°−19° (1923)
- Heating degree days
- 600
- Cooling degree days
- 3
Lake Isabella in May
Highs average 69°21° and lows 46°8°, with 3.7 in94 mm of precipitation in a typical May.
- Record high
- 97°36° (2006)
- Record low
- 20°−7° (1901)
- Heating degree days
- 264
- Cooling degree days
- 34
Lake Isabella in June
Highs average 80°26° and lows 57°14°, with 3.9 in98 mm of precipitation in a typical June.
- Record high
- 103°39° (1901)
- Record low
- 25°−4° (1907)
- Heating degree days
- 49
- Cooling degree days
- 139
Lake Isabella in July
Highs average 84°29° and lows 61°16°, with 3.2 in82 mm of precipitation in a typical July.
- Record high
- 106°41° (1936)
- Record low
- 31°−1° (1900)
- Heating degree days
- 9
- Cooling degree days
- 232
Lake Isabella in August
Highs average 82°28° and lows 59°15°, with 3.8 in98 mm of precipitation in a typical August.
- Record high
- 108°42° (1918)
- Record low
- 36°2° (1895)
- Heating degree days
- 18
- Cooling degree days
- 181
Lake Isabella in September
Highs average 74°23° and lows 51°11°, with 2.8 in72 mm of precipitation in a typical September.
- Record high
- 99°37° (1953)
- Record low
- 27°−3° (1974)
- Heating degree days
- 136
- Cooling degree days
- 66
Lake Isabella in OctoberThis month
Highs average 60°16° and lows 41°5°, with 3.5 in89 mm of precipitation in a typical October.
- Record high
- 89°32° (2025)
- Record low
- 13°−11° (1907)
- Heating degree days
- 459
- Cooling degree days
- 5
Lake Isabella in November
Highs average 46°8° and lows 31°−1°, with 2.8 in71 mm of precipitation in a typical November.
- Record high
- 77°25° (1950)
- Record low
- −6°−21° (1950)
- Heating degree days
- 800
- Cooling degree days
- 0
Lake Isabella in December
Highs average 35°2° and lows 22°−5°, with 2.4 in60 mm of precipitation in a typical December.
- Record high
- 69°21° (2001)
- Record low
- −14°−26° (1925)
- Heating degree days
- 1128
- Cooling degree days
- 0