Illinois · county areal climate 1951–2025
Clark County, IL
A 54.2°F / 43.6" normal · 2025 ran +0.8°F vs normal.
2026 so far · through Jul 10: This area is running
+2°F (52.9°F) vs the 1996–2025 to-date normal — the
7th warmest start of 76 years. Precipitation
109% of normal.
U.S. year-to-date → Normal (1996–2025)
54.2°F
annual mean · 43.6" precipitation
2025 vs Normal
+0.8°F
55.0°F · 36.4" (83% of normal)
Warmest Year
56.9°F
2012 · coldest 50.5°F (1979)
Wettest Year
55.9in
2008 · driest 28.0" (1976)
Hottest Day
105.6°F
Jul 15 · 1954
Coldest Day
-21.8°F
Jan 19 · 1994
Biggest Rain Day
4.67in
Jun 7 · 2008
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.