What is the hottest month in Lucerne, CA?

July is the warmest month, with a normal high of 91°F at Clearlake 4 SE.

What is the coldest month in Lucerne, CA?

January is the coldest month, with a normal low of 33°F.

What is the wettest month in Lucerne, CA?

January has the most precipitation on average, about 6.19 inches.

Checked Oct 25, 2026

Lucerne, CA Climate

1991 to 2020 normals at Clearlake 4 SE, 15 mi from the center of Lucerne, elevation 1349 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	55°	33°	6.19 in	0.2 in
February	58°	34°	6.15 in	0.1 in
March	62°	35°	3.99 in	0.1 in
April	66°	39°	1.99 in	0.0 in
May	73°	45°	1.16 in	0.0 in
June	83°	52°	0.23 in	0.0 in
July	91°	56°	0.01 in	0.0 in
August	91°	54°	0.09 in	0.0 in
September	85°	50°	0.17 in	0.0 in
October	75°	43°	0.91 in	0.0 in
November	63°	36°	2.89 in	0.0 in
December	55°	33°	6.08 in	0.0 in
Year	71°		29.86 in	0.4 in

Frequently asked questions

What is the hottest month in Lucerne, CA?: July is the warmest month, with a normal high of 91°F at Clearlake 4 SE.
What is the coldest month in Lucerne, CA?: January is the coldest month, with a normal low of 33°F.
What is the wettest month in Lucerne, CA?: January has the most precipitation on average, about 6.19 inches.

Today

Lucerne, CA forecast

Data sources

U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
U.S. Climate Normals 1991-2020 (daily) and GHCN-Daily via Access Data ServiceNOAA National Centers for Environmental Information

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About this data

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