St. Clair Shores weather by month
What a typical year looks like in St. Clair Shores, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MT. CLEMENS ANG BASE, 14 km from St. Clair Shores; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 35 in888 mm
- Snow a year
- 32 in82 cm
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 19
- Heating degree days
- 6,550
- Cooling degree days
- 633
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
St. Clair Shores in January
Highs average 32°0° and lows 18°−8°, with 2.2 in56 mm of precipitation and 11 in27 cm of snow in a typical January.
- Record high
- 63°17° (1967)
- Record low
- −23°−31° (1915)
- Heating degree days
- 1248
- Cooling degree days
- 0
St. Clair Shores in February
Highs average 34°1° and lows 19°−7°, with 1.8 in44 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 73°23° (2024)
- Record low
- −24°−31° (1912)
- Heating degree days
- 1082
- Cooling degree days
- 0
St. Clair Shores in March
Highs average 44°6° and lows 26°−3°, with 2.5 in62 mm of precipitation and 5 in13 cm of snow in a typical March.
- Record high
- 84°29° (2007)
- Record low
- −8°−22° (2003)
- Heating degree days
- 939
- Cooling degree days
- 0
St. Clair Shores in April
Highs average 56°13° and lows 36°2°, with 3.4 in85 mm of precipitation and 0.7 in1.8 cm of snow in a typical April.
- Record high
- 94°34° (1925)
- Record low
- 8°−13° (1923)
- Heating degree days
- 569
- Cooling degree days
- 2
St. Clair Shores in May
Highs average 68°20° and lows 47°8°, with 3.6 in91 mm of precipitation in a typical May.
- Record high
- 93°34° (1904)
- Record low
- 20°−7° (1910)
- Heating degree days
- 262
- Cooling degree days
- 27
St. Clair Shores in June
Highs average 78°26° and lows 57°14°, with 3.3 in84 mm of precipitation in a typical June.
- Record high
- 104°40° (1925)
- Record low
- 27°−3° (2011)
- Heating degree days
- 53
- Cooling degree days
- 130
St. Clair Shores in July
Highs average 82°28° and lows 62°17°, with 3.8 in97 mm of precipitation in a typical July.
- Record high
- 106°41° (1911)
- Record low
- 34°1° (1918)
- Heating degree days
- 8
- Cooling degree days
- 226
St. Clair Shores in August
Highs average 80°27° and lows 61°16°, with 3.7 in93 mm of precipitation in a typical August.
- Record high
- 100°38° (1898)
- Record low
- 38°3° (1915)
- Heating degree days
- 14
- Cooling degree days
- 178
St. Clair Shores in September
Highs average 73°23° and lows 53°12°, with 3.2 in81 mm of precipitation in a typical September.
- Record high
- 100°38° (1953)
- Record low
- 28°−2° (1896)
- Heating degree days
- 122
- Cooling degree days
- 64
St. Clair Shores in OctoberThis month
Highs average 61°16° and lows 43°6°, with 2.8 in72 mm of precipitation in a typical October.
- Record high
- 90°32° (2007)
- Record low
- 17°−8° (1965)
- Heating degree days
- 425
- Cooling degree days
- 6
St. Clair Shores in November
Highs average 48°9° and lows 32°0°, with 2.6 in66 mm of precipitation and 1.3 in3.3 cm of snow in a typical November.
- Record high
- 80°27° (1950)
- Record low
- 3°−16° (1930)
- Heating degree days
- 752
- Cooling degree days
- 0
St. Clair Shores in December
Highs average 37°3° and lows 24°−4°, with 2.2 in56 mm of precipitation and 6 in15 cm of snow in a typical December.
- Record high
- 69°21° (2001)
- Record low
- −20°−29° (1914)
- Heating degree days
- 1076
- Cooling degree days
- 0