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

Monthly weather forecast and climate
Libby, MT

January, the same as December, in Libby, Montana, is a freezing cold winter month, with average temperature varying between 15.3°F (-9.3°C) and 28.8°F (-1.8°C). In Libby, the average high-temperature is essentially the same as in December - a still freezing cold 28.8°F (-1.8°C). Weather in January »

February, the last month of the winter, in Libby, is another freezing cold month, with average temperature varying between 15.8°F (-9°C) and 29.7°F (-1.3°C). In Libby, Montana, the average high-temperature in February is almost the same as in January - a still freezing cold 29.7°F (-1.3°C). Weather in February »

March, the first month of the spring, in Libby, is a cold month, with average temperature fluctuating between 37°F (2.8°C) and 22.6°F (-5.2°C). In Libby, Montana, the average high-temperature marginally rises, from a subzero cold 29.7°F (-1.3°C) in February, to a wintry 37°F (2.8°C). Weather in March »

April in Libby, Montana, is a frosty spring month, with temperature in the range of an average low of 28°F (-2.2°C) and an average high of 46.2°F (7.9°C). In April, the average high-temperature rises, from a wintry 37°F (2.8°C) in March, to a chilly 46.2°F (7.9°C). Weather in April »

The last month of the spring, May, is a moderate month in Libby, Montana, with average temperature ranging between max 59.5°F (15.3°C) and min 36.1°F (2.3°C). In Libby, the average high-temperature increases, from a chilly 46.2°F (7.9°C) in April, to a mild 59.5°F (15.3°C). Weather in May »

June, the first month of the summer, in Libby, is a comfortable month, with average temperature fluctuating between 66.2°F (19°C) and 41.5°F (5.3°C). In Libby, the average high-temperature marginally rises, from a moderate 59.5°F (15.3°C) in May, to a comfortable 66.2°F (19°C). Weather in June »

July in Libby, Montana, is a warm summer month, with average temperature fluctuating between 46.8°F (8.2°C) and 77.4°F (25.2°C). In Libby, the average high-temperature rises, from an enjoyable 66.2°F (19°C) in June, to a moderately hot 77.4°F (25.2°C). Weather in July »

August, the last month of the summer, in Libby, is also a moderately hot month, with average temperature fluctuating between 47.3°F (8.5°C) and 77.5°F (25.3°C). August is the warmest month, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 47.3°F (8.5°C). Weather in August »

September, the first month of the autumn, in Libby, is still a comfortable month, with average temperature varying between 66°F (18.9°C) and 39.7°F (4.3°C). In September, the average high-temperature decreases, from a moderately hot 77.5°F (25.3°C) in August, to a comfortable 66°F (18.9°C). Weather in September »

October, the same as September, in Libby, Montana, is a frosty autumn month, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 49.6°F (9.8°C). In Libby, Montana, the average high-temperature plummets, from a comfortable 66°F (18.9°C) in September, to a chilly 49.6°F (9.8°C). Weather in October »

November, the last month of the autumn, in Libby, is another cold month, with average temperature ranging between max 36°F (2.2°C) and min 23°F (-5°C). In November, the average high-temperature drops, from a frosty 49.6°F (9.8°C) in October, to a cold 36°F (2.2°C). Weather in November »

December, the first month of the winter, in Libby, is also a subzero cold month, with average temperature ranging between min 15.1°F (-9.4°C) and max 27.1°F (-2.7°C). The coldest month is December, with an average high-temperature of 27.1°F (-2.7°C) and an average low-temperature of 15.1°F (-9.4°C). Weather in December »

What is the most humid month in Libby?

January is the most humid month, with an average relative humidity of 94%.

How much does it rain in Libby?

In Libby, during the entire year, the rain falls for 138.8 days and collects up to 18.15" (461mm) of precipitation.

When does it snow in Libby?

January through May, September through December are months with snowfall.

How much does it snow in Libby?

In Libby, Montana, during the entire year, snow falls for 91.8 days, and aggregates up to 49.33" (1253mm) of snow.

When does it snow the most in Libby?

January is the month with the most snowfall in Libby. Snow falls for 18.1 days and accumulates 11.34" (288mm) of snow.

What is the month with the least sunshine in Libby?

January has the least sunshine of the year in Libby, with an average of 3h of sunshine.

When is the lowest UV index in Libby?

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

When it does not snow in Libby?

In Libby, Montana, snow does not fall in June through August.

When are the longest days in Libby?

With an average of 16h of daylight, June has the longest days of the year.

When is the highest UV index in Libby?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the month with the most sunshine in Libby?

Months with the most sunshine in Libby are July and August, with an average of 11.6h of sunshine.

What is the warmest month in Libby?

The warmest month in Libby is August, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 47.3°F (8.5°C).

What is the least humid month in Libby?

The least humid month is August, with an average relative humidity of 53%.

What is the driest month in Libby?

The month with the least rainfall in Libby, Montana, is August when the rain falls for 5.9 days and typically collects 0.43" (11mm) of precipitation.

What is the coldest month in Libby?

With an average high-temperature of 27.1°F (-2.7°C) and an average low-temperature of 15.1°F (-9.4°C), December is the coldest month.

What is the wettest month in Libby?

The month with the most rainfall is December when the rain falls for 9.6 days and typically aggregates up to 2.24" (57mm) of precipitation.

What is the month with the shortest days in Libby?

With an average of 8.4h of daylight, December has the shortest days of the year in Libby, Montana.
Average rainfall - Libby, MT
Average rainfall days - Libby, MT

The month with the highest number of rainy days is April (17.5 days).
The month with the least rainy days is August (5.9 days).

Average snowfall - Libby, MT
Average snowfall days - Libby, MT

The month with the highest number of snowfall days is December (20 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Libby, MT

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 3h).

Average UV index - Libby, MT