South Dakota · county areal climate 1951–2025

Day County, SD

A 23.4" / 42.8°F normal · 2025 ran 119% of normal precipitation.
2026 so far · through Jul 25: This area is at 76% (10.46") of the 1996–2025 to-date normal — the 14th driest start of 76 years. Temperature +2°F vs normal. U.S. year-to-date →

Normal (1996–2025)

23.4in
annual precipitation · 42.8°F

2025 vs Normal

119%
27.9" · 43.8°F (+1 vs normal)

Wettest Year

34.2in
2019

Driest Year

8.2in
1976

Biggest Rain Day

3.85in
Jul 7 · 1994

Warmest Year

46.4°F
1987

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

12°
J
15°
F
28°
M
42°
A
55°
M
66°
J
71°
J
68°
A
61°
S
46°
O
31°
N
17°
D
—— 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.

Nearby

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