Climate and monthly weather forecast
Missoula, MT

The scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana
The scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana

Weather in January

January, like December, is another subzero cold winter month in Missoula, Montana, with an average temperature varying between 16.7°F (-8.5°C) and 30.2°F (-1°C). In Missoula, Montana, the average high-temperature in January is practically the same as in December - a still freezing cold 30.2°F (-1°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Missoula, Montana, with an average temperature varying between 30.7°F (-0.7°C) and 16.2°F (-8.8°C). In February, the average high-temperature is almost the same as in January - a still subzero cold 30.7°F (-0.7°C). Weather in February »

Weather in March

March, the first month of the spring in Missoula, is a wintry month, with an average temperature varying between 39.6°F (4.2°C) and 22.8°F (-5.1°C). In March, the average high-temperature slightly increases from a subzero cold 30.7°F (-0.7°C) in February to a wintry 39.6°F (4.2°C). Weather in March »

Weather in April

April in Missoula, Montana, is a chilly spring month, with an average temperature fluctuating between 27.3°F (-2.6°C) and 47.8°F (8.8°C). In April, the average high-temperature slightly increases from a cold 39.6°F (4.2°C) in March to a chilly 47.8°F (8.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Missoula, Montana, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 34.2°F (1.2°C). In May, the average high-temperature rises from a frosty 47.8°F (8.8°C) in April to a moderate 60.3°F (15.7°C). Weather in May »

Weather in June

June, the first month of the summer in Missoula, is an agreeable month, with an average temperature varying between 40.6°F (4.8°C) and 68.5°F (20.3°C). In June, the average high-temperature slightly increases from a mild 60.3°F (15.7°C) in May to a pleasant 68.5°F (20.3°C). Weather in June »

Weather in July

July is a warm summer month in Missoula, Montana, with an average temperature fluctuating between 80.2°F (26.8°C) and 46.4°F (8°C). With an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 46.4°F (8°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Missoula, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 46.9°F (8.3°C). In Missoula, the average high-temperature in August is practically the same as in July - a still moderately hot 79.7°F (26.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Missoula, Montana, with temperature in the range of an average high of 68.7°F (20.4°C) and an average low of 41°F (5°C). In September, the average high-temperature drops from a warm 79.7°F (26.5°C) in August to a pleasant 68.7°F (20.4°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Missoula, Montana, with an average temperature ranging between min 31.3°F (-0.4°C) and max 51.4°F (10.8°C). In October, the average high-temperature declines considerably from a pleasant 68.7°F (20.4°C) in September to a fresh 51.4°F (10.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Missoula, is also a wintry month, with an average temperature fluctuating between 37.9°F (3.3°C) and 23.2°F (-4.9°C). In November, the average high-temperature drops from a cool 51.4°F (10.8°C) in October to a cold 37.9°F (3.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Missoula, Montana, with an average temperature varying between 28°F (-2.2°C) and 15.4°F (-9.2°C). The coldest month is December, with an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 15.4°F (-9.2°C). Weather in December »
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FAQ

What is the most humid month in Missoula?

January is the most humid month in Missoula, Montana, with an average relative humidity of 90%.

How many days does it rain in Missoula?

In Missoula, Montana, during the entire year, the rain falls for 67.5 days and collects up to 3.27" (83mm) of precipitation.

When does it snow in Missoula?

Months with snowfall are January through May, September through December.

How many days does it snow in Missoula?

In Missoula, Montana, during the entire year, snow falls for 44 days and aggregates up to 8.07" (205mm) of snow.

What is the month with the least sunshine in Missoula?

With an average of 4.9h of sunshine, January has the least sunshine of the year.

When does it snow the most in Missoula?

The month with the most snowfall is February, when snow falls for 8.4 days and typically aggregates up to 2.36" (60mm) of snow.

When is the lowest UV index in Missoula?

February and December, with an average maximum UV index of 1, are months with the lowest UV index in Missoula.

When is Daylight Saving Time (DST) in Missoula?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Missoula, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month in Missoula?

April is the month with the most rainfall in Missoula, Montana. Rain falls for 8.8 days and accumulates 0.47" (12mm) of precipitation.

When it does not snow in Missoula?

June through August are months without snowfall.

When are the longest days in Missoula?

With an average of 15h and 49min of daylight, June has the longest days of the year in Missoula.

What is the warmest month in Missoula?

With an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 46.4°F (8°C), July is the warmest month.

What is the least humid month in Missoula?

July is the least humid month, with an average relative humidity of 50%.

What is the driest month in Missoula?

The months with the least rainfall are July and December Rain falls for 3.5 days and accumulates 0.16" (4mm) of rain.

What month has the most sunshine in Missoula?

July has the most sunshine of the year in Missoula, Montana, with an average of 11.8h of sunshine.

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

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the coldest month in Missoula?

December is the coldest month, with an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 15.4°F (-9.2°C).

What is the month with the shortest days in Missoula?

The month with the shortest days in Missoula is December, with an average of 8h and 36min of daylight.

Average temperature
Missoula, MT

Average temperature - Missoula, MT

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).

The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).

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Average pressure
Missoula, MT

Average pressure - Missoula, MT

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Missoula, MT

Average wind speed - Missoula, MT

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average rainfall
Missoula, MT

Average rainfall - Missoula, MT

The wettest month (with the highest rainfall) is April (0.47").
The driest months (with the least rainfall) are July and December (0.16").

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Average rainfall days
Missoula, MT

Average rainfall days - Missoula, MT

The month with the highest number of rainy days is April (8.8 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall
Missoula, MT

Average snowfall - Missoula, MT

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Missoula, MT

Average snowfall days - Missoula, MT

The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Missoula, MT

Average daylight / Average sunshine - Missoula, MT

The month with the longest days is June (Average daylight: 15h and 49min).
The month with the shortest days is December (Average daylight: 8h and 36min).

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days
Missoula, MT

Average sunshine days - Missoula, MT

The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (17.8 days).

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Average visibility
Missoula, MT

Average visibility - Missoula, MT

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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