What is the hottest month in Shelton, CT?

July is the warmest month, with a normal high of 82°F at Ansonia 1 NE.

What is the coldest month in Shelton, CT?

January is the coldest month, with a normal low of 18°F.

What is the wettest month in Shelton, CT?

October has the most precipitation on average, about 5.00 inches.

Checked Oct 25, 2026

Shelton, CT Climate

1991 to 2020 normals at Ansonia 1 NE, 3.4 mi from the center of Shelton, elevation 136 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	36°	18°	3.95 in	--
February	38°	19°	3.62 in	--
March	47°	27°	4.72 in	--
April	58°	38°	4.72 in	--
May	69°	47°	4.04 in	--
June	77°	58°	3.93 in	--
July	82°	63°	4.30 in	--
August	82°	62°	4.56 in	--
September	75°	54°	4.38 in	--
October	63°	41°	5.00 in	--
November	52°	32°	4.24 in	--
December	41°	23°	4.57 in	--
Year	60°		52.03 in	--

Frequently asked questions

What is the hottest month in Shelton, CT?: July is the warmest month, with a normal high of 82°F at Ansonia 1 NE.
What is the coldest month in Shelton, CT?: January is the coldest month, with a normal low of 18°F.
What is the wettest month in Shelton, CT?: October has the most precipitation on average, about 5.00 inches.

Today

Shelton, CT 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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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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