Illinois · county areal climate 1951–2025
LaSalle County, IL
A 50.7°F / 36.4" normal · 2025 ran +0.7°F vs normal.
2026 so far · through Jul 10: This area is running
+2°F (48.9°F) vs the 1996–2025 to-date normal — the
9th warmest start of 76 years. Precipitation
116% of normal.
U.S. year-to-date → Normal (1996–2025)
50.7°F
annual mean · 36.4" precipitation
2025 vs Normal
+0.7°F
51.4°F · 29.6" (81% of normal)
Warmest Year
53.9°F
2012 · coldest 47.0°F (2014)
Wettest Year
52.6in
2019 · driest 22.3" (1956)
Hottest Day
102.4°F
Jul 8 · 2012
Coldest Day
-23.5°F
Jan 20 · 1985
Biggest Rain Day
3.64in
Sep 28 · 2019
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.