Monthly weather forecast and climate
Missoula, MT

A blurry view of the scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana, trees, high hills, sun rays, in the fall
A blurry view of the scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana, trees, high hills, sun rays, in the fall

How much does it rain in Missoula?

Throughout the year, there are 122.7 rainfall days, and 14.1" (359mm) of precipitation is accumulated.

When does it snow in Missoula?

January through May, October through December are months with snowfall.

How much does it snow in Missoula?

Throughout the year, there are 39.4 snowfall days, and 37.9" (962.6mm) of snow is accumulated.

What is the month with the lowest UV index in Missoula?

January, November and December, with an average UV index of 1, are months with the lowest UV index in Missoula, Montana.

What is the driest month in Missoula?

February is the month with the least rainfall in Missoula, Montana. Rain falls for 9.4 days and accumulates 0.7" (17.8mm) of precipitation.

What is the rainiest month in Missoula?

June is the month with the most rainfall. Rain falls for 12.1 days and accumulates 2.1" (52.6mm) of precipitation.

What are the months with the highest UV index in Missoula?

Months with the highest UV index in Missoula, Montana, are June and July, with an average UV index of 8.

What is the warmest month in Missoula?

July is the warmest month in Missoula, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 51.4°F (10.8°C).

What is the least humid month in Missoula?

The least humid month in Missoula is July, with an average relative humidity of 51.7%.

What is the coldest month in Missoula?

December is the coldest month, with an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 16.7°F (-8.5°C).

What is the most humid month in Missoula?

With an average relative humidity of 83.5%, December is the most humid month in Missoula.

When does it snow the most in Missoula?

December is the month with the most snowfall. Snow falls for 9.8 days and accumulates 11" (279.4mm) of snow.
Average temperature - Missoula, MT
Average humidity - Missoula, MT

The month with the highest relative humidity is December (83.5%).
The month with the lowest relative humidity is July (51.7%).

Average rainfall - Missoula, MT
Average rainfall days - Missoula, MT

Months with the highest number of rainy days are May and December (12.3 days).
The month with the lowest number of rainy days is July (7.1 days).

Average snowfall - Missoula, MT
Average snowfall days - Missoula, MT

The month with the highest number of snowfall days is December (9.8 days).
Months with the lowest number of snowfall days are July, August and September (0 days).

Average daylight / Average sunshine - Missoula, MT
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