What is the hottest month in Jackson County, MI?

July is the warmest month, with a normal high of 83°F at Jackson Reynolds Fld.

What is the coldest month in Jackson County, MI?

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

What is the wettest month in Jackson County, MI?

August has the most precipitation on average, about 3.81 inches.

Checked Oct 25, 2026

Jackson County, MI Climate

1991 to 2020 normals at Jackson Reynolds Fld, 2.5 mi from the center of Jackson County, elevation 998 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	31°	18°	1.67 in	--
February	35°	19°	1.52 in	--
March	45°	27°	1.93 in	--
April	59°	37°	2.94 in	--
May	70°	48°	3.40 in	--
June	79°	57°	3.58 in	--
July	83°	61°	3.35 in	--
August	80°	59°	3.81 in	--
September	74°	52°	2.98 in	--
October	61°	41°	2.92 in	--
November	48°	32°	2.33 in	--
December	36°	24°	1.76 in	--
Year	58°		32.19 in	--

Frequently asked questions

What is the hottest month in Jackson County, MI?: July is the warmest month, with a normal high of 83°F at Jackson Reynolds Fld.
What is the coldest month in Jackson County, MI?: January is the coldest month, with a normal low of 18°F.
What is the wettest month in Jackson County, MI?: August has the most precipitation on average, about 3.81 inches.

Today

Jackson County, MI 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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