Illinois · county areal climate 1951–2025
Massac County, IL
A 58.3°F / 50.9" normal · 2025 ran +0.6°F vs normal.
2026 so far · through Jul 9: This area is running
+2°F (57.3°F) vs the 1996–2025 to-date normal — the
5th warmest start of 76 years. Precipitation
80% of normal.
U.S. year-to-date → Normal (1996–2025)
58.3°F
annual mean · 50.9" precipitation
2025 vs Normal
+0.6°F
58.9°F · 53.6" (105% of normal)
Warmest Year
60.8°F
2012 · coldest 54.4°F (1979)
Wettest Year
71.7in
2011 · driest 30.3" (1963)
Hottest Day
107.0°F
Jun 30 · 2012
Coldest Day
-13.6°F
Jan 21 · 1985
Biggest Rain Day
4.81in
Apr 30 · 1983
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.