Illinois · county areal climate 1951–2025
McDonough County, IL
A 52.1°F / 38.3" normal · 2025 ran +0.9°F vs normal.
2026 so far · through Jul 9: This area is running
+2.5°F (50.9°F) vs the 1996–2025 to-date normal — the
7th warmest start of 76 years. Precipitation
110% of normal.
U.S. year-to-date → Normal (1996–2025)
52.1°F
annual mean · 38.3" precipitation
2025 vs Normal
+0.9°F
53.0°F · 29.0" (76% of normal)
Warmest Year
54.8°F
2012 · coldest 48.4°F (2014)
Wettest Year
52.7in
2010 · driest 22.9" (1988)
Hottest Day
103.3°F
Jul 24 · 2012
Coldest Day
-21.2°F
Jan 20 · 1985
Biggest Rain Day
4.53in
Apr 18 · 2013
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.