What is the hottest month in Plattsburgh, NY?

July is the warmest month, with a normal high of 81°F at Plattsburgh INTL AP.

What is the coldest month in Plattsburgh, NY?

January is the coldest month, with a normal low of 10°F.

What is the wettest month in Plattsburgh, NY?

June has the most precipitation on average, about 4.07 inches.

Checked Oct 25, 2026

Plattsburgh, NY Climate

1991 to 2020 normals at Plattsburgh INTL AP, 3.1 mi from the center of Plattsburgh, elevation 234 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	28°	10°	1.41 in	--
February	31°	11°	1.22 in	--
March	40°	21°	1.33 in	--
April	54°	33°	2.55 in	--
May	68°	44°	2.88 in	--
June	75°	53°	4.07 in	--
July	81°	59°	3.61 in	--
August	79°	57°	3.58 in	--
September	71°	49°	3.11 in	--
October	58°	38°	3.04 in	--
November	46°	29°	2.33 in	--
December	34°	19°	1.76 in	--
Year	55°		30.89 in	--

Frequently asked questions

What is the hottest month in Plattsburgh, NY?: July is the warmest month, with a normal high of 81°F at Plattsburgh INTL AP.
What is the coldest month in Plattsburgh, NY?: January is the coldest month, with a normal low of 10°F.
What is the wettest month in Plattsburgh, NY?: June has the most precipitation on average, about 4.07 inches.

Today

Plattsburgh, NY 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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