Missouri · county areal climate 1951–2025
Sullivan County, MO
A 52.4°F / 38.2" normal · 2025 ran +0.7°F vs normal.
2026 so far · through Jul 9: This area is running
+3.1°F (51.7°F) vs the 1996–2025 to-date normal — the
3rd warmest start of 76 years. Precipitation
107% of normal.
U.S. year-to-date → Normal (1996–2025)
52.4°F
annual mean · 38.2" precipitation
2025 vs Normal
+0.7°F
53.1°F · 34.9" (91% of normal)
Warmest Year
55.7°F
2012 · coldest 49.1°F (1951)
Wettest Year
61.9in
2008 · driest 20.0" (1988)
Hottest Day
106.9°F
Jul 31 · 1980
Coldest Day
-24.8°F
Dec 23 · 1989
Biggest Rain Day
5.03in
Sep 10 · 2014
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.