What is the hottest month in Ione, CA?

July is the warmest month, with a normal high of 93°F at Sutter Hill Cdf.

What is the coldest month in Ione, CA?

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

What is the wettest month in Ione, CA?

January has the most precipitation on average, about 6.06 inches.

Checked Oct 25, 2026

Ione, CA Climate

1991 to 2020 normals at Sutter Hill Cdf, 7.8 mi from the center of Ione, elevation 1586 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	55°	39°	6.06 in	--
February	58°	42°	5.66 in	--
March	62°	42°	4.90 in	--
April	67°	45°	2.78 in	--
May	75°	51°	1.69 in	--
June	86°	57°	0.38 in	--
July	93°	63°	0.02 in	--
August	92°	62°	0.04 in	--
September	87°	60°	0.26 in	--
October	77°	53°	1.71 in	--
November	63°	44°	3.12 in	--
December	55°	39°	5.40 in	--
Year	72°		32.02 in	--

Frequently asked questions

What is the hottest month in Ione, CA?: July is the warmest month, with a normal high of 93°F at Sutter Hill Cdf.
What is the coldest month in Ione, CA?: December is the coldest month, with a normal low of 39°F.
What is the wettest month in Ione, CA?: January has the most precipitation on average, about 6.06 inches.

Today

Ione, 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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