What is the hottest month in Cowan, CA?

July is the warmest month, with a normal high of 95°F at Modesto City CO AP.

What is the coldest month in Cowan, CA?

December is the coldest month, with a normal low of 39°F.

What is the wettest month in Cowan, CA?

January has the most precipitation on average, about 2.57 inches.

Checked Oct 25, 2026

Cowan, CA Climate

1991 to 2020 normals at Modesto City CO AP, 4.9 mi from the center of Cowan, elevation 73 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	56°	39°	2.57 in	--
February	62°	42°	2.22 in	--
March	68°	45°	1.78 in	--
April	74°	48°	1.00 in	--
May	82°	54°	0.65 in	--
June	90°	59°	0.15 in	--
July	95°	63°	0.00 in	--
August	94°	62°	0.01 in	--
September	89°	59°	0.06 in	--
October	79°	52°	0.55 in	--
November	66°	43°	1.07 in	--
December	56°	39°	2.21 in	--
Year	76°		12.27 in	--

Frequently asked questions

What is the hottest month in Cowan, CA?: July is the warmest month, with a normal high of 95°F at Modesto City CO AP.
What is the coldest month in Cowan, CA?: December is the coldest month, with a normal low of 39°F.
What is the wettest month in Cowan, CA?: January has the most precipitation on average, about 2.57 inches.

Today

Cowan, 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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