Illinois · county areal climate 1951–2025
Vermilion County, IL
A 52.3°F / 39.6" normal · 2025 ran +0.5°F vs normal.
2026 so far · through Jul 9: This area is running
+1.7°F (50.4°F) vs the 1996–2025 to-date normal — the
9th warmest start of 76 years. Precipitation
114% of normal.
U.S. year-to-date → Normal (1996–2025)
52.3°F
annual mean · 39.6" precipitation
2025 vs Normal
+0.5°F
52.8°F · 26.9" (68% of normal)
Warmest Year
54.9°F
2012 · coldest 48.9°F (2014)
Wettest Year
52.3in
1990 · driest 26.9" (2025)
Hottest Day
102.8°F
Jul 8 · 2012
Coldest Day
-23.9°F
Jan 20 · 1985
Biggest Rain Day
3.75in
Jul 9 · 1951
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.