Is this weather normal in Buchanan County?

Missouri · county records since 1895, through September 2026.

Weather › Missouri › Buchanan County

Buchanan County just had its warmest September ever recorded, +8° against the usual. 11 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 60°, lows near 38°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +6.5°OctNov: +2.2°NovDec: +1.9°DecJan 2026: -1.8°JanFeb: +8.1°FebMar: +6.4°MarApr: +5.7°AprMay: +0.2°MayJun: +0.3°JunJul: +1.6°JulAug: +1.4°AugSep: +7.8°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: -1.0 inOctNov: +0.6 inNovDec: -0.8 inDecJan 2026: +0.7 inJanFeb: -0.8 inFebMar: -0.7 inMarApr: +2.4 inAprMay: +0.3 inMayJun: +1.6 inJunJul: -1.1 inJulAug: -2.2 inAugSep: +3.8 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 Buchanan County

MonthUsual high / lowUsual rainWarmestColdest
January37° / 18°1.0 in39.6° 20069.1° 1940
February43° / 23°1.3 in43.6° 202415.2° 1936
March54° / 33°2.2 in57.8° 201225.6° 1960
April65° / 43°3.8 in62.2° 198145.7° 1907
May75° / 53°5.1 in73.2° 201857.0° 1917
June84° / 63°4.8 in80.2° 193467.0° 1945
July88° / 67°5.0 in86.2° 190170.8° 1950
August87° / 65°4.1 in84.2° 193668.8° 1915
September79° / 56°3.7 in75.4° 202660.8° 1974
October67° / 44°3.1 in67.0° 196344.9° 1925
November53° / 33°2.0 in50.9° 199934.8° 1976
December41° / 23°1.5 in41.0° 202112.7° 1983

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

Towns in Buchanan County

Crime Radar: St. Joseph

Nearby counties