Illinois · county areal climate 1951–2025
Montgomery County, IL
A 54.3°F / 40.9" normal · 2025 ran +0.9°F vs normal.
2026 so far · through Jul 9: This area is running
+2.2°F (53.1°F) vs the 1996–2025 to-date normal — the
6th warmest start of 76 years. Precipitation
116% of normal.
U.S. year-to-date → Normal (1996–2025)
54.3°F
annual mean · 40.9" precipitation
2025 vs Normal
+0.9°F
55.2°F · 31.9" (78% of normal)
Warmest Year
57.1°F
2012 · coldest 51.1°F (1979)
Wettest Year
53.2in
2008 · driest 26.1" (1953)
Hottest Day
106.5°F
Jul 14 · 1954
Coldest Day
-18.4°F
Dec 22 · 1989
Biggest Rain Day
4.1in
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.