Illinois · county areal climate 1951–2025
Jackson County, IL
A 56.7°F / 46.2" normal · 2025 ran +0.6°F vs normal.
2026 so far · through Jul 10: This area is running
+2.2°F (56.0°F) vs the 1996–2025 to-date normal — the
4th warmest start of 76 years. Precipitation
68% of normal.
U.S. year-to-date → Normal (1996–2025)
56.7°F
annual mean · 46.2" precipitation
2025 vs Normal
+0.6°F
57.3°F · 40.6" (88% of normal)
Warmest Year
59.3°F
2012 · coldest 53.1°F (1979)
Wettest Year
66.7in
2011 · driest 27.6" (1953)
Hottest Day
106.7°F
Jun 30 · 2012
Coldest Day
-17.6°F
Jan 17 · 1977
Biggest Rain Day
5.34in
Aug 17 · 1959
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.