Is this weather normal in Trinity County?

California · county records since 1895, through September 2026.

Weather › California › Trinity County

Trinity County is in severe drought: NOAA's Palmer reading for September was -3.4. 10 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 Trinity County. The Weather Service forecast fills in below.

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usual high for the datewarmercooler

The last 12 months

Oct: -2.0°OctNov: +3.5°NovDec: +5.7°DecJan 2026: +3.9°JanFeb: +2.1°FebMar: +9.2°MarApr: +1.0°AprMay: +3.2°MayJun: +4.0°JunJul: +0.8°JulAug: +2.8°AugSep: -2.7°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: +0.7 inOctNov: +1.8 inNovDec: +3.8 inDecJan 2026: -4.1 inJanFeb: +1.0 inFebMar: -7.7 inMarApr: +1.5 inAprMay: -1.1 inMayJun: -0.7 inJunJul: -0.1 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 Trinity County

MonthUsual high / lowUsual rainWarmestColdest
January47° / 32°10.2 in44.7° 201527.5° 1937
February50° / 32°9.0 in47.0° 201533.4° 1933
March55° / 33°8.1 in53.4° 202636.6° 2023
April60° / 36°4.6 in52.6° 193438.2° 1967
May69° / 41°2.5 in61.8° 199247.4° 1933
June79° / 47°0.9 in70.3° 201556.5° 1953
July88° / 54°0.2 in77.0° 202464.6° 1983
August87° / 53°0.2 in74.8° 201763.4° 1899
September82° / 49°0.5 in69.7° 199157.6° 1925
October68° / 42°3.1 in60.2° 202048.7° 1912
November53° / 35°6.4 in49.2° 199536.4° 1994
December45° / 31°11.4 in43.8° 192931.4° 1972

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

Towns in Trinity County

Nearby counties