Michigan · county areal climate 1951–2025
St. Clair County, MI
A 49.3°F / 34.0" normal · 2025 ran -0.1°F vs normal.
2026 so far · through Jul 10: This area is running
+0.7°F (45.4°F) vs the 1996–2025 to-date normal — the
17th warmest start of 76 years. Precipitation
107% of normal.
U.S. year-to-date → Normal (1996–2025)
49.3°F
annual mean · 34.0" precipitation
2025 vs Normal
-0.1°F
49.2°F · 30.1" (88% of normal)
Warmest Year
52.6°F
2024 · coldest 45.4°F (1972)
Wettest Year
43.1in
2011 · driest 17.7" (1963)
Hottest Day
99.3°F
Jul 8 · 1988
Coldest Day
-18.0°F
Jan 19 · 1994
Biggest Rain Day
2.66in
Aug 12 · 2014
Record
1951–2025
75 complete years · NOAA nClimGrid
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal
nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the
station records.