Is this weather normal in Sierra County?

California · county records since 1895, through September 2026.

Weather › California › Sierra County

10 of the last 12 months ran warmer than usual in Sierra County. Sierra County has warmed about 0.5° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 57°, lows near 33°

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

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usual high for the datewarmercooler

The last 12 months

Oct: -1.8°OctNov: +4.5°NovDec: +6.7°DecJan 2026: +3.2°JanFeb: +2.7°FebMar: +10.1°MarApr: +0.3°AprMay: +2.8°MayJun: +3.5°JunJul: +1.5°JulAug: +3.8°AugSep: -2.0°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: +0.9 inNovDec: +5.7 inDecJan 2026: -3.3 inJanFeb: -0.9 inFebMar: -6.2 inMarApr: +2.5 inAprMay: -0.9 inMayJun: -0.8 inJunJul: +0.2 inJulAug: -0.2 inAugSep: +0.2 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 Sierra County

MonthUsual high / lowUsual rainWarmestColdest
January44° / 25°7.9 in40.0° 201518.5° 1937
February45° / 25°7.4 in42.8° 201524.2° 1903
March50° / 28°6.8 in48.7° 202628.9° 1952
April55° / 31°3.7 in48.6° 193431.6° 1967
May63° / 37°2.5 in57.5° 200141.6° 1998
June73° / 43°0.9 in64.0° 202151.4° 1943
July82° / 50°0.2 in70.8° 202459.0° 1983
August81° / 48°0.3 in68.5° 202657.4° 1899
September75° / 44°0.6 in63.0° 201251.0° 1986
October64° / 36°2.6 in55.9° 198843.3° 1920
November51° / 29°4.7 in45.9° 199530.6° 1994
December42° / 24°8.4 in41.2° 192926.3° 1914

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

Towns in Sierra County

Crime Radar: Truckee

Nearby counties