Is this weather normal in Mono County?

California · county records since 1895, through September 2026.

Weather › California › Mono County

Mono County has warmed about 0.5° per decade since 1970. September 2026 averaged 55.9° there, right at the usual for September (45th warmest of 132).

This week

Usual for Oct 28 to Nov 3: highs near 55°, lows near 27°

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

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usual high for the datewarmercooler

The last 12 months

Oct: -0.2°OctNov: +4.3°NovDec: +8.2°DecJan 2026: +2.6°JanFeb: +2.1°FebMar: +10.7°MarApr: -0.3°AprMay: +1.4°MayJun: +3.7°JunJul: +1.8°JulAug: +3.3°AugSep: -0.2°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: +0.5 inOctNov: +1.5 inNovDec: +0.4 inDecJan 2026: -1.2 inJanFeb: +0.3 inFebMar: -2.0 inMarApr: +0.8 inAprMay: -0.1 inMayJun: -0.3 inJunJul: -0.1 inJulAug: +0.6 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 Mono County

MonthUsual high / lowUsual rainWarmestColdest
January42° / 18°2.5 in36.3° 200312.3° 1937
February43° / 19°2.3 in39.3° 201518.8° 1903
March49° / 22°2.1 in46.0° 202624.4° 1897
April54° / 27°1.1 in46.5° 193429.2° 1967
May62° / 34°0.9 in54.3° 200139.5° 1953
June72° / 42°0.4 in62.8° 202148.9° 1907
July80° / 48°0.6 in68.6° 193158.2° 1983
August79° / 47°0.4 in66.4° 202056.1° 1976
September72° / 40°0.4 in59.5° 202048.6° 1986
October61° / 31°0.9 in51.5° 198839.3° 1919
November50° / 23°1.3 in43.1° 199526.8° 1994
December41° / 17°2.3 in37.4° 202522.6° 1914

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

Towns in Mono County

Crime Radar: Mammoth Lakes, Bishop, Paradise

Nearby counties