Is this weather normal in Hamlin County?

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

Weather › South Dakota › Hamlin County

Every one of the last 12 months ran warmer than usual in Hamlin County. Hamlin County just had its 5th-warmest September in 132 years, +5° against the usual.

This week

Usual for Oct 28 to Nov 3: highs near 49°, lows near 28°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +6.4°OctNov: +4.0°NovDec: +0.7°DecJan 2026: +0.7°JanFeb: +9.4°FebMar: +6.1°MarApr: +0.1°AprMay: +1.1°MayJun: +0.7°JunJul: +3.9°JulAug: +1.2°AugSep: +5.0°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: -1.2 inOctNov: +0.3 inNovDec: -0.1 inDecJan 2026: -0.4 inJanFeb: -0.2 inFebMar: -0.5 inMarApr: -0.2 inAprMay: -1.9 inMayJun: -0.3 inJunJul: +1.2 inJulAug: -1.8 inAugSep: +1.3 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 Hamlin County

MonthUsual high / lowUsual rainWarmestColdest
January22° / 3°0.6 in25.5° 2006-4.2° 1936
February27° / 7°0.7 in30.8° 1954-8.9° 1936
March39° / 20°1.2 in44.2° 201213.7° 1960
April54° / 32°2.4 in51.6° 195533.2° 2018
May67° / 44°3.3 in67.4° 193445.6° 1907
June77° / 55°4.1 in74.9° 193358.8° 1945
July82° / 59°3.5 in80.5° 193662.0° 1992
August79° / 57°3.1 in75.7° 198362.0° 1915
September72° / 48°2.7 in65.7° 189748.3° 1965
October57° / 35°2.1 in55.4° 196332.9° 1925
November40° / 21°0.9 in41.0° 200113.8° 1896
December27° / 9°0.7 in29.7° 2023-2.0° 1983

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

Towns in Hamlin County

Nearby counties