Is this weather normal in Harmon County?

Oklahoma · county records since 1895, through September 2026.

Weather › Oklahoma › Harmon County

Harmon County just had its warmest September ever recorded, +11° against the usual. Harmon County is in extreme drought: NOAA's Palmer reading for September was -5.9.

This week

Usual for Oct 28 to Nov 3: highs near 70°, lows near 43°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +5.9°OctNov: +6.0°NovDec: +6.2°DecJan 2026: +0.5°JanFeb: +10.3°FebMar: +10.4°MarApr: +7.3°AprMay: +2.1°MayJun: +2.5°JunJul: +3.0°JulAug: +7.6°AugSep: +10.6°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: -0.9 inNovDec: -0.9 inDecJan 2026: -0.2 inJanFeb: -0.1 inFebMar: -1.4 inMarApr: -0.7 inAprMay: -1.7 inMayJun: +1.0 inJunJul: -1.2 inJulAug: -2.3 inAugSep: -1.6 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 Harmon County

MonthUsual high / lowUsual rainWarmestColdest
January53° / 27°0.8 in48.1° 200622.9° 1930
February57° / 31°1.0 in54.2° 202626.8° 1905
March67° / 39°1.5 in63.3° 202640.1° 1915
April75° / 47°2.5 in68.3° 202654.5° 1997
May84° / 58°3.9 in77.7° 201863.1° 1917
June92° / 67°3.4 in88.0° 195371.9° 1903
July97° / 71°2.3 in91.2° 201177.8° 1950
August96° / 69°2.7 in91.1° 201176.1° 1920
September87° / 61°2.7 in85.0° 202666.6° 1974
October76° / 49°2.3 in71.1° 202455.4° 1925
November64° / 37°1.4 in56.6° 199941.8° 1929
December54° / 29°1.0 in51.6° 202127.9° 1983

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

Towns in Harmon County

Nearby counties