Illinois · county areal climate 1951–2025
Macoupin County, IL
A 54.4°F / 40.1" normal · 2025 ran +0.9°F vs normal.
2026 so far · through Jul 9: This area is running
+2.3°F (53.3°F) vs the 1996–2025 to-date normal — the
5th warmest start of 76 years. Precipitation
105% of normal.
U.S. year-to-date → Normal (1996–2025)
54.4°F
annual mean · 40.1" precipitation
2025 vs Normal
+0.9°F
55.3°F · 32.8" (82% of normal)
Warmest Year
57.1°F
2012 · coldest 51.1°F (2014)
Wettest Year
55.6in
2008 · driest 25.1" (1976)
Hottest Day
107.9°F
Jul 14 · 1954
Coldest Day
-18.3°F
Jan 17 · 1977
Biggest Rain Day
3.8in
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.