What is the hottest month in Lynn, IN?

July is the warmest month, with a normal high of 83°F at Winchester Airport 3 E.

What is the coldest month in Lynn, IN?

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

What is the wettest month in Lynn, IN?

June has the most precipitation on average, about 4.84 inches.

Checked Oct 25, 2026

Lynn, IN Climate

1991 to 2020 normals at Winchester Airport 3 E, 8.7 mi from the center of Lynn, elevation 1110 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	33°	18°	2.73 in	--
February	37°	20°	2.09 in	--
March	48°	29°	2.91 in	--
April	61°	40°	3.99 in	--
May	71°	52°	4.39 in	--
June	79°	61°	4.84 in	--
July	83°	64°	3.94 in	--
August	81°	61°	3.51 in	--
September	76°	54°	3.04 in	--
October	64°	43°	3.13 in	--
November	50°	32°	3.22 in	--
December	38°	24°	2.27 in	--
Year	60°		40.06 in	--

Frequently asked questions

What is the hottest month in Lynn, IN?: July is the warmest month, with a normal high of 83°F at Winchester Airport 3 E.
What is the coldest month in Lynn, IN?: January is the coldest month, with a normal low of 18°F.
What is the wettest month in Lynn, IN?: June has the most precipitation on average, about 4.84 inches.

Today

Lynn, IN 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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