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

Monthly weather forecast and climate
Coalwood, MT

January, like December, is a freezing cold winter month in Coalwood, Montana, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 28.8°F (-1.8°C). With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 15.1°F (-9.4°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Coalwood, is another freezing cold month, with average temperature ranging between min 16.2°F (-8.8°C) and max 29.7°F (-1.3°C). In February, the average high-temperature is essentially the same as in January - a still freezing cold 29.7°F (-1.3°C). Weather in February »

The first month of the spring, March, is a chilly month in Coalwood, Montana, with average temperature varying between 44.2°F (6.8°C) and 28.8°F (-1.8°C). In Coalwood, the average high-temperature significantly increases, from a freezing cold 29.7°F (-1.3°C) in February, to a chilly 44.2°F (6.8°C). Weather in March »

April is a moderate spring month in Coalwood, Montana, with average temperature varying between 37.9°F (3.3°C) and 55.4°F (13°C). In Coalwood, the average high-temperature in April rises, from a frosty 44.2°F (6.8°C) in March, to a moderate 55.4°F (13°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Coalwood, Montana, with average temperature ranging between min 47.5°F (8.6°C) and max 66.6°F (19.2°C). In Coalwood, the average high-temperature increases, from a moderate 55.4°F (13°C) in April, to an enjoyable 66.6°F (19.2°C). Weather in May »

June, the first month of the summer, in Coalwood, is a warm month, with average temperature ranging between min 57.7°F (14.3°C) and max 77.5°F (25.3°C). In June, the average high-temperature rises, from an enjoyable 66.6°F (19.2°C) in May, to a moderately hot 77.5°F (25.3°C). Weather in June »

July is a hot summer month in Coalwood, Montana, with average temperature varying between 65.8°F (18.8°C) and 86.7°F (30.4°C). The warmest month is July, with an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index is calculated to a hot 86.5°F (30.3°C). Weather in July »

The last month of the summer, August, is another warm month in Coalwood, Montana, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 64.8°F (18.2°C). In Coalwood, Montana, the average high-temperature is relatively the same as in July - a warm 84.7°F (29.3°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Coalwood, Montana, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 56.3°F (13.5°C). In Coalwood, the average high-temperature decreases, from 84.7°F (29.3°C) in August, to a still moderately hot 74.3°F (23.5°C). Weather in September »

October, like September, is another mild autumn month in Coalwood, Montana, with average temperature ranging between max 56.5°F (13.6°C) and min 41.5°F (5.3°C). In October, the average high-temperature plummets, from a moderately hot 74.3°F (23.5°C) in September, to a moderate 56.5°F (13.6°C). Weather in October »

November, the last month of the autumn, in Coalwood, is also a wintry month, with average temperature varying between 28.2°F (-2.1°C) and 42.3°F (5.7°C). In November, the average high-temperature decreases, from a moderate 56.5°F (13.6°C) in October, to a wintry 42.3°F (5.7°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Coalwood, Montana, with average temperature fluctuating between 28.9°F (-1.7°C) and 16.3°F (-8.7°C). In Coalwood, Montana, the average high-temperature drops, from a cold 42.3°F (5.7°C) in November, to a freezing cold 28.9°F (-1.7°C). Weather in December »

What is the coldest month in Coalwood?

The coldest month is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 15.1°F (-9.4°C).

What is the most humid month in Coalwood?

With an average relative humidity of 83%, January is the most humid month in Coalwood, Montana.

How many days does it rain in Coalwood?

Throughout the year, there are 83.1 rainfall days, and 6.81" (173mm) of precipitation is accumulated.

When does it snow in Coalwood?

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

How much does it snow in Coalwood?

Throughout the year, in Coalwood, Montana, there are 43.4 snowfall days, and 9.13" (232mm) of snow is accumulated.

What is the month with the least sunshine in Coalwood?

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Coalwood.

What are the months with the lowest UV index in Coalwood?

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

When does it snow the most in Coalwood?

The month with the most snowfall is February when snow falls for 9.2 days and typically aggregates up to 2.2" (56mm) of snow.

What is the rainiest month in Coalwood?

The month with the most rainfall in Coalwood is May when the rain falls for 11.3 days and typically aggregates up to 1.1" (28mm) of precipitation.

When it does not snow in Coalwood?

In Coalwood snow does not fall in June through September.

When are the longest days in Coalwood?

With an average of 15.7h of daylight, June has the longest days of the year.

What is the warmest month in Coalwood?

The warmest month in Coalwood is July, with an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 65.8°F (18.8°C).

What month has the most sunshine in Coalwood?

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

When is the highest UV index in Coalwood?

With an average maximum UV index of 7, July is the month with the highest UV index in Coalwood.

What is the least humid month in Coalwood?

August is the least humid month in Coalwood, Montana, with an average relative humidity of 39%.

What is the driest month in Coalwood?

Months with the least rainfall are November and December Rain falls for 4.2 days and accumulates 0.28" (7mm) of rain.

What is the month with the shortest days in Coalwood?

December has the shortest days of the year, with an average of 8.7h of daylight.
Average temperature - Coalwood, MT
Average rainfall - Coalwood, MT

The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are November and December (0.28").

Average rainfall days - Coalwood, MT
Average snowfall - Coalwood, MT
Average snowfall days - Coalwood, MT

The month with the highest number of snowfall days is January (10.1 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Coalwood, MT

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

The month with the most sunshine is July (Average sunshine: 11.8h).
Months with the least sunshine are January, February and December (Average sunshine: 5.1).

Average UV index - Coalwood, MT