What is the hottest month in Jacumba, CA?

August is the warmest month, with a normal high of 93°F at Campo Asos.

What is the coldest month in Jacumba, CA?

December is the coldest month, with a normal low of 34°F.

What is the wettest month in Jacumba, CA?

February has the most precipitation on average, about 2.83 inches.

Checked Oct 25, 2026

Jacumba, CA Climate

1991 to 2020 normals at Campo Asos, 17 mi from the center of Jacumba, elevation 2641 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	62°	35°	2.37 in	--
February	61°	35°	2.83 in	--
March	65°	35°	1.57 in	--
April	69°	38°	0.73 in	--
May	76°	42°	0.30 in	--
June	85°	46°	0.06 in	--
July	91°	54°	0.21 in	--
August	93°	55°	0.14 in	--
September	88°	51°	0.65 in	--
October	78°	43°	0.52 in	--
November	69°	38°	0.88 in	--
December	61°	34°	2.31 in	--
Year	75°		12.57 in	--

Frequently asked questions

What is the hottest month in Jacumba, CA?: August is the warmest month, with a normal high of 93°F at Campo Asos.
What is the coldest month in Jacumba, CA?: December is the coldest month, with a normal low of 34°F.
What is the wettest month in Jacumba, CA?: February has the most precipitation on average, about 2.83 inches.

Today

Jacumba, CA forecast

Data sources

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

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About this data

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Climate normals are 30-year averages measured at one weather station, which may be miles from the place named here or at a different elevation.

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