What is the hottest month in Ronan, MT?

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

What is the coldest month in Ronan, MT?

January is the coldest month, with a normal low of 22°F.

What is the wettest month in Ronan, MT?

June has the most precipitation on average, about 2.44 inches.

Checked Oct 25, 2026

Ronan, MT Climate

1991 to 2020 normals at Polson, 11 mi from the center of Ronan, elevation 3010 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	33°	22°	0.94 in	--
February	37°	22°	0.79 in	--
March	47°	28°	0.89 in	--
April	56°	34°	1.43 in	--
May	66°	41°	1.99 in	--
June	72°	47°	2.44 in	--
July	83°	53°	0.84 in	--
August	82°	53°	0.76 in	--
September	71°	46°	1.19 in	--
October	56°	36°	1.59 in	--
November	41°	27°	1.22 in	--
December	33°	22°	0.93 in	--
Year	56°		15.01 in	--

Frequently asked questions

What is the hottest month in Ronan, MT?: July is the warmest month, with a normal high of 83°F at Polson.
What is the coldest month in Ronan, MT?: January is the coldest month, with a normal low of 22°F.
What is the wettest month in Ronan, MT?: June has the most precipitation on average, about 2.44 inches.

Today

Ronan, 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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