Michigan · county areal climate 1951–2025
Ionia County, MI
A 48.3°F / 35.4" normal · 2025 ran -0.2°F vs normal.
2026 so far · through Jul 10: This area is running
+0.5°F (44.7°F) vs the 1996–2025 to-date normal — the
17th warmest start of 76 years. Precipitation
112% of normal.
U.S. year-to-date → Normal (1996–2025)
48.3°F
annual mean · 35.4" precipitation
2025 vs Normal
-0.2°F
48.1°F · 30.8" (87% of normal)
Warmest Year
51.1°F
2024 · coldest 44.7°F (1972)
Wettest Year
45.8in
2019 · driest 22.0" (1953)
Hottest Day
100.8°F
Jul 7 · 2012
Coldest Day
-19.9°F
Jan 4 · 1981
Biggest Rain Day
3.28in
Jun 24 · 1994
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.