South Dakota · county areal climate 1951–2025
McPherson County, SD
A 20.5" / 42.7°F normal · 2025 ran 106% of normal precipitation.
2026 so far · through Jul 25: This area is at
71% (8.77") of the 1996–2025 to-date normal — the
10th driest start of 76 years. Temperature
+2.3°F vs normal.
U.S. year-to-date → Normal (1996–2025)
20.5in
annual precipitation · 42.7°F
2025 vs Normal
106%
21.7" · 43.2°F (+0.5 vs normal)
Biggest Rain Day
3.16in
Jun 18 · 1964
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.