Is this weather normal in Stanley County?

South Dakota · county records since 1895, through September 2026.

Weather › South Dakota › Stanley County

10 of the last 12 months ran warmer than usual in Stanley County. Stanley County just had its 9th-warmest September in 132 years, +4° against the usual.

This week

Usual for Oct 28 to Nov 3: highs near 53°, lows near 29°

That is the 1991 to 2020 average for these dates in Stanley County. The Weather Service forecast fills in below.

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usual high for the datewarmercooler

The last 12 months

Oct: +4.0°OctNov: +3.2°NovDec: +4.0°DecJan 2026: +2.2°JanFeb: +10.2°FebMar: +6.5°MarApr: -0.6°AprMay: +0.9°MayJun: -0.5°JunJul: +4.4°JulAug: +0.2°AugSep: +4.0°Sepwarmercooler

Each bar is a month's average temperature against the usual for that month (1991 to 2020). Ranks compare the same month in every year since 1895.

Every year since 1895

18952025

Rain and drought

Oct: -1.1 inOctNov: +0.3 inNovDec: -0.1 inDecJan 2026: -0.2 inJanFeb: -0.6 inFebMar: -0.5 inMarApr: -0.4 inAprMay: -1.3 inMayJun: +0.2 inJunJul: -0.3 inJulAug: +0.2 inAugSep: +1.2 inSepwetterdrier

Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.

Month by month in Stanley County

MonthUsual high / lowUsual rainWarmestColdest
January30° / 9°0.4 in34.8° 2006-1.6° 1937
February35° / 12°0.6 in38.3° 1954-5.6° 1936
March47° / 22°0.9 in48.7° 201213.0° 1899
April59° / 33°2.0 in53.5° 194636.7° 1920
May70° / 44°3.2 in69.9° 193449.3° 1907
June80° / 55°3.3 in77.6° 193360.0° 1945
July88° / 61°2.5 in86.4° 193665.4° 1992
August87° / 58°2.0 in80.0° 193766.0° 1915
September78° / 49°1.4 in70.1° 202451.4° 1965
October62° / 35°1.6 in58.6° 196336.8° 1925
November46° / 22°0.5 in42.7° 201613.2° 1896
December33° / 12°0.5 in32.1° 19393.2° 1927

Warmest and coldest are the month's whole-month average temperature, with the year it happened.

Towns in Stanley County

Nearby counties