What is the hottest month in Jackson, MT?

July is the warmest month, with a normal high of 77°F at Jackson.

What is the coldest month in Jackson, MT?

December is the coldest month, with a normal low of 8°F.

What is the wettest month in Jackson, MT?

June has the most precipitation on average, about 1.94 inches.

Checked Oct 25, 2026

Jackson, MT Climate

1991 to 2020 normals at Jackson, 0.1 mi from the center of Jackson, elevation 6480 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	28°	8°	0.59 in	--
February	31°	8°	0.53 in	--
March	39°	16°	0.83 in	--
April	46°	23°	1.05 in	--
May	57°	31°	1.50 in	--
June	66°	37°	1.94 in	--
July	77°	42°	0.91 in	--
August	76°	39°	0.90 in	--
September	66°	32°	1.10 in	--
October	51°	25°	0.94 in	--
November	36°	15°	1.01 in	--
December	27°	8°	0.65 in	--
Year	50°		11.95 in	--

Frequently asked questions

What is the hottest month in Jackson, MT?: July is the warmest month, with a normal high of 77°F at Jackson.
What is the coldest month in Jackson, MT?: December is the coldest month, with a normal low of 8°F.
What is the wettest month in Jackson, MT?: June has the most precipitation on average, about 1.94 inches.

Today

Jackson, MT 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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