South Dakota · county areal climate 1951–2025
Brown County, SD
A 21.8" / 43.7°F normal · 2025 ran 112% of normal precipitation.
2026 so far · through Jul 25: This area is at
83% (10.85") of the 1996–2025 to-date normal — the
25th driest start of 76 years. Temperature
+2.2°F vs normal.
U.S. year-to-date → Normal (1996–2025)
21.8in
annual precipitation · 43.7°F
2025 vs Normal
112%
24.4" · 44.5°F (+0.8 vs normal)
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.