Is this weather normal in Carter County?

Montana · county records since 1895, through September 2026.

Weather › Montana › Carter County

11 of the last 12 months ran warmer than usual in Carter County. Carter 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 51°, lows near 25°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +3.8°OctNov: +5.0°NovDec: +6.6°DecJan 2026: +4.9°JanFeb: +9.9°FebMar: +7.7°MarApr: +0.3°AprMay: +2.8°MayJun: -0.7°JunJul: +6.7°JulAug: +1.4°AugSep: +4.7°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: +1.9 inOctNov: +0.0 inNovDec: +0.2 inDecJan 2026: -0.1 inJanFeb: -0.4 inFebMar: -0.2 inMarApr: -0.3 inAprMay: -1.6 inMayJun: -0.5 inJunJul: -0.5 inJulAug: -0.7 inAugSep: -0.1 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 Carter County

MonthUsual high / lowUsual rainWarmestColdest
January31° / 9°0.4 in32.9° 2006-2.4° 1916
February34° / 11°0.5 in36.0° 1954-4.4° 1936
March46° / 21°0.8 in45.2° 201215.4° 1899
April56° / 30°1.7 in50.9° 191533.7° 1920
May66° / 40°2.9 in64.3° 193445.2° 1907
June76° / 50°2.8 in75.4° 198855.3° 1945
July86° / 56°2.0 in80.9° 193661.8° 1993
August84° / 54°1.5 in75.8° 198362.2° 1974
September74° / 43°1.3 in65.6° 202444.6° 1965
October58° / 31°1.4 in54.0° 196332.0° 1925
November44° / 20°0.5 in40.2° 194913.4° 1985
December33° / 11°0.4 in30.7° 1957-0.1° 1983

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

Towns in Carter County

Nearby counties