South Dakota · county areal climate 1951–2025
Pennington County, SD
A 46.7°F / 19.0" normal · 2025 ran +1.1°F vs normal.
2026 so far · through Jul 10: This area is running
+3.9°F (46.6°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
66% of normal.
U.S. year-to-date → Normal (1996–2025)
46.7°F
annual mean · 19.0" precipitation
2025 vs Normal
+1.1°F
47.8°F · 20.4" (107% of normal)
Warmest Year
49.8°F
2012 · coldest 41.4°F (1951)
Wettest Year
28.1in
2019 · driest 11.0" (1961)
Hottest Day
107.8°F
Jul 16 · 2006
Coldest Day
-31.1°F
Dec 22 · 1989
Biggest Rain Day
2.24in
Jun 15 · 1976
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.