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Upper Lake, CA Climate

1991 to 2020 normals at Ukiah MUNI AP, 16 mi from the center of Upper Lake, elevation 601 ft.

Average weather by month

Select a month for daily normals and last year's weather

MonthRangeHighLowPrecip.Snow
January58°37°6.70 in--
February61°39°6.27 in--
March65°41°5.32 in--
April69°43°2.55 in--
May78°48°1.18 in--
June86°52°0.34 in--
July94°56°0.01 in--
August94°55°0.07 in--
September89°51°0.16 in--
October79°45°1.78 in--
November65°40°3.54 in--
December57°36°6.92 in--
Year74°34.84 in--

Frequently asked questions

What is the hottest month in Upper Lake, CA?
July is the warmest month, with a normal high of 94°F at Ukiah MUNI AP.
What is the coldest month in Upper Lake, CA?
December is the coldest month, with a normal low of 36°F.
What is the wettest month in Upper Lake, CA?
December has the most precipitation on average, about 6.92 inches.