Is this weather normal in Harper County?

Oklahoma · county records since 1895, through September 2026.

Weather › Oklahoma › Harper County

Harper County just had its warmest September ever recorded, +10° against the usual. Every one of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 66°, lows near 39°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +4.6°OctNov: +4.3°NovDec: +5.2°DecJan 2026: +0.4°JanFeb: +9.0°FebMar: +8.0°MarApr: +5.1°AprMay: +1.0°MayJun: +1.7°JunJul: +2.6°JulAug: +5.6°AugSep: +9.5°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: -0.0 inOctNov: -0.0 inNovDec: -1.0 inDecJan 2026: -0.3 inJanFeb: -0.6 inFebMar: -1.2 inMarApr: -1.8 inAprMay: -1.2 inMayJun: +1.6 inJunJul: -1.5 inJulAug: -1.7 inAugSep: +2.0 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 Harper County

MonthUsual high / lowUsual rainWarmestColdest
January48° / 22°0.7 in44.3° 200618.0° 1940
February52° / 25°0.8 in49.0° 195423.9° 1899
March62° / 34°1.6 in57.4° 201234.5° 1912
April71° / 43°2.0 in63.6° 198148.9° 1983
May80° / 54°3.0 in75.3° 201859.6° 1907
June90° / 64°3.6 in85.2° 195368.4° 1903
July95° / 68°2.7 in88.7° 193475.0° 1906
August93° / 67°3.0 in86.9° 193672.5° 1915
September85° / 58°1.7 in80.9° 202662.9° 1974
October73° / 45°2.2 in67.7° 196350.4° 1925
November60° / 33°0.9 in53.0° 199937.4° 1929
December49° / 24°1.0 in45.3° 202121.0° 1983

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

Towns in Harper County

Nearby counties