South Dakota · county areal climate 1951–2025
Sanborn County, SD
A 46.6°F / 23.4" normal · 2025 ran +1.1°F vs normal.
2026 so far · through Jul 9: This area is running
+3°F (45.3°F) vs the 1996–2025 to-date normal — the
7th warmest start of 76 years. Precipitation
73% of normal.
U.S. year-to-date → Normal (1996–2025)
46.6°F
annual mean · 23.4" precipitation
2025 vs Normal
+1.1°F
47.7°F · 22.3" (95% of normal)
Warmest Year
50.0°F
1987 · coldest 41.6°F (1951)
Wettest Year
39.6in
2019 · driest 12.3" (1976)
Hottest Day
108.2°F
Jul 16 · 2006
Coldest Day
-35.2°F
Jan 19 · 1970
Biggest Rain Day
3.57in
Jun 21 · 2024
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.