Monthly weather forecast and climate
Roanwood, MT

January, like December, is a freezing cold winter month in Roanwood, Montana, with average temperature fluctuating between 10.9°F (-11.7°C) and 24.3°F (-4.3°C). In January, the average high-temperature is relatively the same as in December - a still freezing cold 24.3°F (-4.3°C). Weather in January »

February, the last month of the winter, in Roanwood, is also a subzero cold month, with average temperature varying between 23.7°F (-4.6°C) and 10.2°F (-12.1°C). February is the coldest month, with an average high-temperature of 23.7°F (-4.6°C) and an average low-temperature of 10.2°F (-12.1°C). Weather in February »

The first month of the spring, March, is a cold month in Roanwood, Montana, with average temperature fluctuating between 38.3°F (3.5°C) and 23.9°F (-4.5°C). In March, the average high-temperature increases considerably, from a subzero cold 23.7°F (-4.6°C) in February, to a cold 38.3°F (3.5°C). Weather in March »

April is a fresh spring month in Roanwood, Montana, with average temperature varying between 36°F (2.2°C) and 52.2°F (11.2°C). In April, the average high-temperature rises, from a cold 38.3°F (3.5°C) in March, to a cool 52.2°F (11.2°C). Weather in April »

May, the last month of the spring, in Roanwood, is an enjoyable month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 64.6°F (18.1°C). In May, the average high-temperature increases, from a cool 52.2°F (11.2°C) in April, to an enjoyable 64.6°F (18.1°C). Weather in May »

June, the first month of the summer, in Roanwood, is a warm month, with average temperature fluctuating between 74.7°F (23.7°C) and 55.9°F (13.3°C). In Roanwood, the average high-temperature in June increases, from a comfortable 64.6°F (18.1°C) in May, to a warm 74.7°F (23.7°C). Weather in June »

July, like June, in Roanwood, Montana, is a moderately hot summer month, with average temperature varying between 63.3°F (17.4°C) and 83.1°F (28.4°C). The warmest month is July, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 63.3°F (17.4°C). The average heat index in July is estimated at 82.9°F (28.3°C). Weather in July »

August, the last month of the summer, in Roanwood, is another warm month, with average temperature ranging between min 62.4°F (16.9°C) and max 81.7°F (27.6°C). In Roanwood, the average high-temperature is relatively the same as in July - a still warm 81.7°F (27.6°C). Weather in August »

September, the first month of the autumn, in Roanwood, is also an agreeable month, with average temperature varying between 53.8°F (12.1°C) and 70.2°F (21.2°C). In Roanwood, the average high-temperature decreases, from a warm 81.7°F (27.6°C) in August, to a pleasant 70.2°F (21.2°C). Weather in September »

October, like September, in Roanwood, Montana, is a cool autumn month, with average temperature ranging between max 53.8°F (12.1°C) and min 39.6°F (4.2°C). In October, the average high-temperature plummets, from an agreeable 70.2°F (21.2°C) in September, to a fresh 53.8°F (12.1°C). Weather in October »

November, the last month of the autumn, in Roanwood, is also a wintry month, with average temperature fluctuating between 38.3°F (3.5°C) and 25.7°F (-3.5°C). In November, the average high-temperature declines considerably, from a cool 53.8°F (12.1°C) in October, to a cold 38.3°F (3.5°C). Weather in November »

December, the first month of the winter, in Roanwood, is also a subzero cold month, with average temperature ranging between min 12.7°F (-10.7°C) and max 24.6°F (-4.1°C). In Roanwood, the average high-temperature drops, from a wintry 38.3°F (3.5°C) in November, to a subzero cold 24.6°F (-4.1°C). Weather in December »

What is the most humid month in Roanwood?

The most humid month is January, with an average relative humidity of 86%.

How many days does it rain in Roanwood?

Throughout the year, there are 90.8 rainfall days, and 11.1" (282mm) of precipitation is accumulated.

What is the driest month in Roanwood?

January and February are months with the least rain when the rain falls for 2.5 days and typically aggregates up to 0.35" (9mm) of rain.

When does it snow in Roanwood?

Months with snowfall in Roanwood, Montana, are January through May, October through December.

How much does it snow in Roanwood?

In Roanwood, during the entire year, snow falls for 43.8 days, and aggregates up to 13.11" (333mm) of snow.

What is the coldest month in Roanwood?

February is the coldest month in Roanwood, Montana, with an average high-temperature of 23.7°F (-4.6°C) and an average low-temperature of 10.2°F (-12.1°C).

What is the month with the least sunshine in Roanwood?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

What is the rainiest month in Roanwood?

The month with the most rainfall is June when the rain falls for 13.2 days and typically aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Roanwood?

June through September are months without snowfall in Roanwood.

When are the longest days in Roanwood?

With an average of 16.1h of daylight, June has the longest days of the year in Roanwood.

What is the warmest month in Roanwood?

With an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 63.3°F (17.4°C), July is the warmest month in Roanwood.

What month has the most sunshine in Roanwood?

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

When is the highest UV index in Roanwood?

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

What is the least humid month in Roanwood?

With an average relative humidity of 42%, August is the least humid month in Roanwood, Montana.

What is the snowiest month in Roanwood?

December is the month with the most snowfall in Roanwood, Montana. Snow falls for 8.6 days and accumulates 2.6" (66mm) of snow.

What is the month with the shortest days in Roanwood?

The month with the shortest days in Roanwood, Montana, is December, with an average of 8.3h of daylight.

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

With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature - Roanwood, MT
Average pressure - Roanwood, MT

The month with the highest atmospheric pressure is February (30.15").
The month with the lowest atmospheric pressure is June (29.83").

Average wind speed - Roanwood, MT

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

Average rainfall - Roanwood, MT

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").

Average rainfall days - Roanwood, MT
Average snowfall - Roanwood, MT
Average snowfall days - Roanwood, MT

The month with the highest number of snowfall days is February (9.2 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Roanwood, MT

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

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

Average sunshine days - Roanwood, MT

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

Average visibility - Roanwood, 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).