Illinois · county areal climate 1951–2025
Calhoun County, IL
A 55.1°F / 40.0" normal · 2025 ran +0.8°F vs normal.
2026 so far · through Jul 10: This area is running
+2.3°F (54.1°F) vs the 1996–2025 to-date normal — the
4th warmest start of 76 years. Precipitation
93% of normal.
U.S. year-to-date → Normal (1996–2025)
55.1°F
annual mean · 40.0" precipitation
2025 vs Normal
+0.8°F
55.9°F · 30.6" (77% of normal)
Warmest Year
57.9°F
2012 · coldest 51.6°F (1979)
Wettest Year
56.8in
1993 · driest 25.0" (1953)
Hottest Day
110.0°F
Jul 14 · 1954
Coldest Day
-18.7°F
Dec 23 · 1989
Biggest Rain Day
4.12in
Dec 3 · 1982
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.