South Dakota · county areal climate 1951–2025
Oglala Lakota County, SD
A 48.8°F / 18.7" normal · 2025 ran +1.1°F vs normal.
2026 so far · through Jul 10: This area is running
+4.4°F (49.2°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
55% of normal.
U.S. year-to-date → Normal (1996–2025)
48.8°F
annual mean · 18.7" precipitation
2025 vs Normal
+1.1°F
49.9°F · 17.1" (92% of normal)
Warmest Year
51.9°F
2012 · coldest 43.7°F (1951)
Wettest Year
26.3in
2019 · driest 11.2" (1974)
Hottest Day
109.2°F
Jul 16 · 2006
Coldest Day
-35.6°F
Dec 22 · 1989
Biggest Rain Day
2.35in
Apr 19 · 2000
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.