Missoula
Montana, USA
Long-term weather forecast
Long-term weather forecast

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
January, like December, is a freezing cold winter month in Missoula, Montana, with average temperature varying between 30.2°F (-1°C) and 18.3°F (-7.6°C). In January, the average high-temperature is practically the same as in December - a still subzero cold 30.2°F (-1°C). Weather in January »

The last month of the winter, February, is also a subzero cold month in Missoula, Montana, with average temperature varying between 21.2°F (-6°C) and 30.7°F (-0.7°C). In February, the average high-temperature is almost the same as in January - a still freezing cold 30.7°F (-0.7°C). Weather in February »

March, the first month of the spring, in Missoula, is a wintry month, with average temperature varying between 27.7°F (-2.4°C) and 39.6°F (4.2°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 »

April is a frosty spring month in Missoula, Montana, with average temperature fluctuating between 32.7°F (0.4°C) and 47.8°F (8.8°C). In Missoula, Montana, the average high-temperature in April slightly increases, from a wintry 39.6°F (4.2°C) in March, to a frosty 47.8°F (8.8°C). Weather in April »

May, the last month of the spring, in Missoula, is a mild month, with average temperature fluctuating between 60.3°F (15.7°C) and 39.7°F (4.3°C). In May, the average high-temperature increases, from a chilly 47.8°F (8.8°C) in April, to a moderate 60.3°F (15.7°C). Weather in May »

June, the first month of the summer, in Missoula, is a pleasant month, with average temperature ranging between min 46.6°F (8.1°C) and max 68.5°F (20.3°C). In Missoula, the average high-temperature marginally rises, from a moderate 60.3°F (15.7°C) in May, to an agreeable 68.5°F (20.3°C). Weather in June »

July in Missoula, Montana, is a warm summer month, with average temperature fluctuating between 51.4°F (10.8°C) and 80.2°F (26.8°C). July is the warmest month, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 51.4°F (10.8°C). Weather in July »

August, the last month of the summer, in Missoula, is another warm month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 50.2°F (10.1°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 79.7°F (26.5°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Missoula, Montana, with average temperature ranging between min 41.7°F (5.4°C) and max 68.7°F (20.4°C). In September, the average high-temperature decreases, from a moderately hot 79.7°F (26.5°C) in August, to a pleasant 68.7°F (20.4°C). Weather in September »

October, the same as September, is a cool autumn month in Missoula, Montana, with average temperature ranging between min 32.4°F (0.2°C) and max 51.4°F (10.8°C). In Missoula, 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 »

November, the last month of the autumn, in Missoula, is also a wintry month, with average temperature varying between 37.9°F (3.3°C) and 25°F (-3.9°C). In November, the average high-temperature drops, from a fresh 51.4°F (10.8°C) in October, to a wintry 37.9°F (3.3°C). Weather in November »

December, the first month of the winter, in Missoula, is still a freezing cold month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 28°F (-2.2°C). With an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 16.7°F (-8.5°C), December is the coldest month. Weather in December »

What is the most humid month in Missoula?

With an average relative humidity of 90%, January is the most humid month.

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 much does it snow in Missoula?

Throughout the year, in Missoula, Montana, there are 44 snowfall days, and 8.07" (205mm) of snow is accumulated.

What is the month with the least sunshine in Missoula?

January has the least sunshine of the year in Missoula, Montana, with an average of 4.9h of sunshine.

What is the snowiest month in Missoula?

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

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

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

What is the rainiest month in Missoula?

April is the month with the most rainfall. 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 in Missoula, Montana.

When are the longest days in Missoula?

The month with the longest days in Missoula is June, with an average of 15.8h of daylight.

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 51.4°F (10.8°C), July is the warmest month in Missoula.

What is the least humid month in Missoula?

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

What is the driest month in Missoula?

Months with the least rainfall in Missoula, Montana, 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?

The month with the most sunshine is July, with an average of 11.8h of sunshine.

When is 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 16.7°F (-8.5°C).

What is the month with the shortest days in Missoula?

December has the shortest days of the year in Missoula, with an average of 8.6h of daylight.
Average temperature - Missoula, MT
Average rainfall - Missoula, MT

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

Average rainfall days - Missoula, MT

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

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

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

Average daylight / Average sunshine - Missoula, MT