What is the hottest month in Brooklyn, CT?

July is the warmest month, with a normal high of 80°F at Hampton.

What is the coldest month in Brooklyn, CT?

January is the coldest month, with a normal low of 17°F.

What is the wettest month in Brooklyn, CT?

December has the most precipitation on average, about 4.78 inches.

Checked Oct 25, 2026

Brooklyn, CT Climate

1991 to 2020 normals at Hampton, 5.4 mi from the center of Brooklyn, elevation 490 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	36°	17°	4.05 in	--
February	38°	18°	3.37 in	--
March	46°	25°	4.44 in	--
April	58°	35°	4.67 in	--
May	68°	45°	3.74 in	--
June	75°	54°	4.32 in	--
July	80°	60°	3.91 in	--
August	79°	58°	4.21 in	--
September	73°	51°	4.31 in	--
October	62°	40°	4.73 in	--
November	51°	31°	4.11 in	--
December	41°	23°	4.78 in	--
Year	59°		50.64 in	--

Frequently asked questions

What is the hottest month in Brooklyn, CT?: July is the warmest month, with a normal high of 80°F at Hampton.
What is the coldest month in Brooklyn, CT?: January is the coldest month, with a normal low of 17°F.
What is the wettest month in Brooklyn, CT?: December has the most precipitation on average, about 4.78 inches.

Today

Brooklyn, 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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