Illinois · county areal climate 1951–2025
Madison County, IL
A 42.3" / 55.9°F normal · 2025 ran 88% of normal precipitation.
2026 so far · through Jul 25: This area is at
97% (25.1") of the 1996–2025 to-date normal — the
45th driest start of 76 years. Temperature
+1.7°F vs normal.
U.S. year-to-date → Normal (1996–2025)
42.3in
annual precipitation · 55.9°F
2025 vs Normal
88%
37.1" · 56.5°F (+0.6 vs normal)
Biggest Rain Day
4.29in
Dec 27 · 2015
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.