What is the hottest month in Downey, CA?

August is the warmest month, with a normal high of 83°F at Long Beach Daugherty Fld.

What is the coldest month in Downey, CA?

December is the coldest month, with a normal low of 47°F.

What is the wettest month in Downey, CA?

February has the most precipitation on average, about 3.02 inches.

Checked Oct 25, 2026

Downey, CA Climate

1991 to 2020 normals at Long Beach Daugherty Fld, 8.7 mi from the center of Downey, elevation 31 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	67°	47°	2.89 in	--
February	67°	48°	3.02 in	--
March	69°	51°	1.65 in	--
April	71°	54°	0.56 in	--
May	73°	58°	0.26 in	--
June	76°	61°	0.07 in	--
July	81°	65°	0.05 in	--
August	83°	66°	0.01 in	--
September	82°	64°	0.08 in	--
October	78°	59°	0.53 in	--
November	73°	52°	0.75 in	--
December	67°	47°	2.15 in	--
Year	74°		12.02 in	--

Frequently asked questions

What is the hottest month in Downey, CA?: August is the warmest month, with a normal high of 83°F at Long Beach Daugherty Fld.
What is the coldest month in Downey, CA?: December is the coldest month, with a normal low of 47°F.
What is the wettest month in Downey, CA?: February has the most precipitation on average, about 3.02 inches.

Today

Downey, 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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