Indiana · county areal climate 1951–2025
Sullivan County, IN
A 54.8°F / 45.4" normal · 2025 ran +0.7°F vs normal.
2026 so far · through Jul 9: This area is running
+1.7°F (53.1°F) vs the 1996–2025 to-date normal — the
7th warmest start of 76 years. Precipitation
99% of normal.
U.S. year-to-date → Normal (1996–2025)
54.8°F
annual mean · 45.4" precipitation
2025 vs Normal
+0.7°F
55.5°F · 44.4" (98% of normal)
Warmest Year
57.5°F
2024 · coldest 50.9°F (1978)
Wettest Year
58.1in
2008 · driest 27.6" (1953)
Hottest Day
105.9°F
Jun 29 · 2012
Coldest Day
-23.1°F
Jan 19 · 1994
Biggest Rain Day
3.97in
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.