What is the hottest month in Sherman, CT?

July is the warmest month, with a normal high of 78°F at Carmel 4n.

What is the coldest month in Sherman, CT?

January is the coldest month, with a normal low of 16°F.

What is the wettest month in Sherman, CT?

December has the most precipitation on average, about 4.97 inches.

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Checked Oct 25, 2026

Sherman, CT Climate

1991 to 2020 normals at Carmel 4n, 11 mi from the center of Sherman, elevation 680 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	33°	16°	3.90 in	--
February	36°	19°	2.98 in	--
March	44°	26°	4.15 in	--
April	57°	37°	3.55 in	--
May	67°	47°	4.08 in	--
June	74°	56°	4.56 in	--
July	78°	61°	4.22 in	--
August	76°	60°	4.90 in	--
September	70°	53°	4.92 in	--
October	60°	41°	4.21 in	--
November	49°	32°	3.91 in	--
December	39°	23°	4.97 in	--
Year	57°		50.35 in	--

Frequently asked questions

What is the hottest month in Sherman, CT?: July is the warmest month, with a normal high of 78°F at Carmel 4n.
What is the coldest month in Sherman, CT?: January is the coldest month, with a normal low of 16°F.
What is the wettest month in Sherman, CT?: December has the most precipitation on average, about 4.97 inches.

Today

Sherman, CT 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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