Monthly weather forecast and climate
Ravalli, MT

Weather in January

January, like December, is another subzero cold winter month in Ravalli, Montana, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 29.8°F (-1.2°C). In Ravalli, the average high-temperature in January is essentially the same as in December - a still subzero cold 29.8°F (-1.2°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Ravalli, Montana, with average temperature fluctuating between 30.4°F (-0.9°C) and 17.6°F (-8°C). In Ravalli, the average high-temperature in February is almost the same as in January - a still freezing cold 30.4°F (-0.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Ravalli, Montana, with average temperature ranging between min 24.8°F (-4°C) and max 39.2°F (4°C). In March, the average high-temperature marginally rises, from a subzero cold 30.4°F (-0.9°C) in February, to a cold 39.2°F (4°C). Weather in March »

Weather in April

April in Ravalli, Montana, is a frosty spring month, with average temperature fluctuating between 29.8°F (-1.2°C) and 48.7°F (9.3°C). In April, the average high-temperature increases, from a wintry 39.2°F (4°C) in March, to a frosty 48.7°F (9.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Ravalli, Montana, with average temperature varying between 36.7°F (2.6°C) and 61°F (16.1°C). In May, the average high-temperature increases, from a frosty 48.7°F (9.3°C) in April, to an enjoyable 61°F (16.1°C). Weather in May »

Weather in June

June, the first month of the summer, in Ravalli, is a pleasant month, with average temperature varying between 43.3°F (6.3°C) and 68.5°F (20.3°C). In Ravalli, the average high-temperature marginally rises, from a comfortable 61°F (16.1°C) in May, to a pleasant 68.5°F (20.3°C). Weather in June »

Weather in July

July in Ravalli, Montana, is a moderately hot summer month, with average temperature fluctuating between 49.3°F (9.6°C) and 79.7°F (26.5°C). With an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 49.3°F (9.6°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Ravalli, Montana, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 49.5°F (9.7°C). In Ravalli, the average high-temperature in August is relatively the same as in July - a still warm 79.3°F (26.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Ravalli, is also an agreeable month, with average temperature ranging between min 42.3°F (5.7°C) and max 68.5°F (20.3°C). In September, the average high-temperature drops, from a moderately hot 79.3°F (26.3°C) in August, to an agreeable 68.5°F (20.3°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Ravalli, Montana, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 51.8°F (11°C). In Ravalli, the average high-temperature plummets, from a pleasant 68.5°F (20.3°C) in September, to a cool 51.8°F (11°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Ravalli, Montana, with average temperature varying between 37.2°F (2.9°C) and 24.4°F (-4.2°C). In November, the average high-temperature plummets, from a cool 51.8°F (11°C) in October, to a cold 37.2°F (2.9°C). Weather in November »

Weather in December

December, the first month of the winter, in Ravalli, is still a freezing cold month, with average temperature ranging between min 16.7°F (-8.5°C) and max 28.4°F (-2°C). The coldest month is December, with an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 16.7°F (-8.5°C). Weather in December »
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FAQ

What is the most humid month in Ravalli?

With an average relative humidity of 91%, January is the most humid month in Ravalli.

How much does it rain in Ravalli?

Throughout the year, there are 129.9 rainfall days, and 13.5" (343mm) of precipitation is accumulated.

When does it snow in Ravalli?

Months with snowfall in Ravalli, Montana, are January through May, September through December.

How much does it snow in Ravalli?

Throughout the year, there are 67.1 snowfall days, and 28.27" (718mm) of snow is accumulated.

What is the month with the least sunshine in Ravalli?

January has the least sunshine of the year in Ravalli, Montana, with an average of 4.7h of sunshine.

What is the snowiest month in Ravalli?

The month with the most snowfall is February when snow falls for 14.1 days and typically aggregates up to 6.5" (165mm) of snow.

When is the lowest UV index in Ravalli?

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

What is the wettest month in Ravalli?

The month with the most rainfall is June when the rain falls for 15.7 days and typically aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Ravalli?

June through August are months without snowfall.

When are the longest days in Ravalli?

With an average of 15.9h of daylight, June has the longest days of the year in Ravalli, Montana.

What is the warmest month in Ravalli?

July is the warmest month in Ravalli, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 49.3°F (9.6°C).

What is the driest month in Ravalli?

July and August are months with the least rain in Ravalli when the rain falls for 8 days and typically aggregates up to 0.63" (16mm) of rain.

What month has the most sunshine in Ravalli?

With an average of 11.8h of sunshine, July has the most sunshine of the year in Ravalli, Montana.

When is the highest UV index in Ravalli?

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

What is the least humid month in Ravalli?

The least humid month is August, with an average relative humidity of 49%.

What is the coldest month in Ravalli?

December is the coldest month in Ravalli, Montana, with an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 16.7°F (-8.5°C).

What is the month with the shortest days in Ravalli?

With an average of 8.6h of daylight, December has the shortest days of the year.

Average temperature
Ravalli, MT

Average temperature - Ravalli, MT

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.4°F).

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

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Average pressure
Ravalli, MT

Average pressure - Ravalli, MT

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed
Ravalli, MT

Average wind speed - Ravalli, MT

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).

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Average rainfall
Ravalli, MT

Average rainfall - Ravalli, MT

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").

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Average rainfall days
Ravalli, MT

Average rainfall days - Ravalli, MT

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).

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Average snowfall
Ravalli, MT

Average snowfall - Ravalli, MT

The month with the highest snowfall is February (6.5").
Months with the least snowfall are June, July and August (0").

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Average snowfall days
Ravalli, MT

Average snowfall days - Ravalli, MT

The month with the highest number of snowfall days is December (14.5 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Ravalli, MT

Average daylight / Average sunshine - Ravalli, MT

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days
Ravalli, MT

Average sunshine days - Ravalli, MT

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).

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Average visibility
Ravalli, MT

Average visibility - Ravalli, MT

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

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