South Dakota · county areal climate 1951–2025

Yankton County, SD

A 26.7" / 48.4°F normal · 2025 ran 95% of normal precipitation.
2026 so far · through Jul 25: This area is at 53% (8.44") of the 1996–2025 to-date normal — the 2nd driest start of 76 years. Temperature +3.5°F vs normal. U.S. year-to-date →

Normal (1996–2025)

26.7in
annual precipitation · 48.4°F

2025 vs Normal

95%
25.2" · 49.6°F (+1.2 vs normal)

Wettest Year

39.5in
2018

Driest Year

14.8in
1980

Biggest Rain Day

3.53in
Jun 21 · 2018

Warmest Year

52.4°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

20°
J
24°
F
36°
M
48°
A
59°
M
70°
J
75°
J
72°
A
65°
S
51°
O
36°
N
24°
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.

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