What is the hottest month in Lyons, NJ?

July is the warmest month, with a normal high of 86°F at Somerville 4 NW.

What is the coldest month in Lyons, NJ?

January is the coldest month, with a normal low of 19°F.

What is the wettest month in Lyons, NJ?

July has the most precipitation on average, about 4.68 inches.

Checked Oct 25, 2026

Lyons, NJ Climate

1991 to 2020 normals at Somerville 4 NW, 6.8 mi from the center of Lyons, elevation 134 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	39°	19°	3.55 in	--
February	41°	20°	2.79 in	--
March	50°	27°	4.11 in	--
April	62°	36°	3.96 in	--
May	72°	46°	3.44 in	--
June	81°	56°	4.25 in	--
July	86°	62°	4.68 in	--
August	83°	60°	3.74 in	--
September	77°	53°	4.26 in	--
October	64°	41°	4.27 in	--
November	54°	31°	3.20 in	--
December	43°	24°	4.42 in	--
Year	63°		46.67 in	--

Frequently asked questions

What is the hottest month in Lyons, NJ?: July is the warmest month, with a normal high of 86°F at Somerville 4 NW.
What is the coldest month in Lyons, NJ?: January is the coldest month, with a normal low of 19°F.
What is the wettest month in Lyons, NJ?: July has the most precipitation on average, about 4.68 inches.

Today

Lyons, NJ 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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