Monthly weather forecast and climate
Roscoe, MT

January is a cold winter month in Roscoe, Montana, with average temperature fluctuating between 18.7°F (-7.4°C) and 32°F (0°C). In Roscoe, the average high-temperature is almost the same as in December - a wintry 32°F (0°C). Weather in January »

February, the last month of the winter, in Roscoe, is also a wintry month, with average temperature ranging between min 16.7°F (-8.5°C) and max 32.4°F (0.2°C). In February, the average high-temperature is practically the same as in January - a still cold 32.4°F (0.2°C). Weather in February »

March, the first month of the spring, in Roscoe, is a chilly month, with average temperature ranging between max 43.5°F (6.4°C) and min 27.5°F (-2.5°C). In Roscoe, the average high-temperature rises, from a wintry 32.4°F (0.2°C) in February, to a chilly 43.5°F (6.4°C). Weather in March »

April is a fresh spring month in Roscoe, Montana, with average temperature varying between 51.3°F (10.7°C) and 33.3°F (0.7°C). In Roscoe, the average high-temperature marginally rises, from a frosty 43.5°F (6.4°C) in March, to a fresh 51.3°F (10.7°C). Weather in April »

May, the last month of the spring, in Roscoe, is a comfortable month, with average temperature fluctuating between 61°F (16.1°C) and 41.4°F (5.2°C). In May, the average high-temperature rises, from a cool 51.3°F (10.7°C) in April, to an enjoyable 61°F (16.1°C). Weather in May »

The first month of the summer, June, is an agreeable month in Roscoe, Montana, with average temperature fluctuating between 49.6°F (9.8°C) and 72.7°F (22.6°C). In June, the average high-temperature increases, from an enjoyable 61°F (16.1°C) in May, to an agreeable 72.7°F (22.6°C). Weather in June »

July in Roscoe, Montana, is a moderately hot summer month, with average temperature ranging between max 82.9°F (28.3°C) and min 57.2°F (14°C). July is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 57.2°F (14°C). In July, the average heat index is estimated at 82.8°F (28.2°C). Weather in July »

August, the last month of the summer, in Roscoe, is also a moderately hot month, with average temperature varying between 81.1°F (27.3°C) and 57.2°F (14°C). In Roscoe, the average high-temperature is relatively the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

September, the first month of the autumn, in Roscoe, is also an agreeable month, with average temperature fluctuating between 50.2°F (10.1°C) and 72°F (22.2°C). In Roscoe, the average high-temperature in September drops, from a warm 81.1°F (27.3°C) in August, to an agreeable 72°F (22.2°C). Weather in September »

October, the same as September, is another fresh autumn month in Roscoe, Montana, with average temperature ranging between max 55.2°F (12.9°C) and min 37.9°F (3.3°C). In October, the average high-temperature declines considerably, from an agreeable 72°F (22.2°C) in September, to a cool 55.2°F (12.9°C). Weather in October »

November, the last month of the autumn, in Roscoe, is also a wintry month, with average temperature ranging between min 26.8°F (-2.9°C) and max 41.9°F (5.5°C). In Roscoe, the average high-temperature decreases, from a fresh 55.2°F (12.9°C) in October, to a cold 41.9°F (5.5°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Roscoe, Montana, with average temperature fluctuating between 30.7°F (-0.7°C) and 17.4°F (-8.1°C). With an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 17.4°F (-8.1°C), December is the coldest month. Weather in December »

What is the most humid month in Roscoe?

With an average relative humidity of 76%, January is the most humid month.

How many days does it rain in Roscoe?

In Roscoe, during the entire year, the rain falls for 108.1 days and collects up to 12.83" (326mm) of precipitation.

What is the driest month in Roscoe?

January is the month with the least rainfall in Roscoe, Montana. Rain falls for 6 days and accumulates 0.51" (13mm) of precipitation.

When does it snow in Roscoe?

Months with snowfall in Roscoe, Montana, are January through June, September through December.

How much does it snow in Roscoe?

Throughout the year, in Roscoe, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.

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

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

When does it snow the most in Roscoe?

February is the month with the most snowfall. Snow falls for 10.8 days and accumulates 6.81" (173mm) of snow.

What is the month with the least sunshine in Roscoe?

February has the least sunshine of the year, with an average of 6.2h of sunshine.

What is the wettest month in Roscoe?

May is the month with the most rainfall in Roscoe, Montana. Rain falls for 16.3 days and accumulates 2.09" (53mm) of precipitation.

When are the longest days in Roscoe?

The month with the longest days is June, with an average of 15.6h of daylight.

What is the warmest month in Roscoe?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 57.2°F (14°C), July is the warmest month in Roscoe.

When it does not snow in Roscoe?

In Roscoe snow does not fall in July and August.

What month has the most sunshine in Roscoe?

The month with the most sunshine in Roscoe, Montana, is July, with an average of 11.9h of sunshine.

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

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

What is the least humid month in Roscoe?

With an average relative humidity of 41%, August is the least humid month in Roscoe, Montana.

What is the coldest month in Roscoe?

With an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 17.4°F (-8.1°C), December is the coldest month in Roscoe, Montana.

What is the month with the shortest days in Roscoe?

With an average of 8.8h of daylight, December has the shortest days of the year in Roscoe, Montana.
Average temperature - Roscoe, MT
Average pressure - Roscoe, MT

Months with the highest atmospheric pressure are January and December (30.15").
The month with the lowest atmospheric pressure is June (29.88").

Average wind speed - Roscoe, MT

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average rainfall - Roscoe, MT
Average rainfall days - Roscoe, MT
Average snowfall - Roscoe, MT
Average snowfall days - Roscoe, MT

The month with the highest number of snowfall days is February (10.8 days).
Months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine - Roscoe, MT

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 6.2h).

Average sunshine days - Roscoe, MT

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index - Roscoe, MT
Average visibility - Roscoe, MT

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