South Dakota · county areal climate 1951–2025
Brown County, SD
A 43.7°F / 21.8" normal · 2025 ran +0.8°F vs normal.
2026 so far · through Jul 9: This area is running
+2.1°F (41.1°F) vs the 1996–2025 to-date normal — the
16th warmest start of 76 years. Precipitation
88% of normal.
U.S. year-to-date → Normal (1996–2025)
43.7°F
annual mean · 21.8" precipitation
2025 vs Normal
+0.8°F
44.5°F · 24.4" (112% of normal)
Warmest Year
47.4°F
1987 · coldest 38.4°F (1951)
Wettest Year
29.4in
2019 · driest 9.5" (1976)
Hottest Day
107.4°F
Jul 16 · 2006
Coldest Day
-39.2°F
Feb 9 · 1994
Biggest Rain Day
4.33in
May 6 · 2007
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.