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

Monthly weather forecast and climate
Valleytown, MT

January, like December, is a freezing cold winter month in Valleytown, Montana, with average temperature ranging between max 24.6°F (-4.1°C) and min 10.8°F (-11.8°C). In Valleytown, the average high-temperature is essentially the same as in December - a still subzero cold 24.6°F (-4.1°C). Weather in January »

February, the last month of the winter, in Valleytown, is another freezing cold month, with average temperature fluctuating between 10°F (-12.2°C) and 24.4°F (-4.2°C). The coldest month is February, with an average high-temperature of 24.4°F (-4.2°C) and an average low-temperature of 10°F (-12.2°C). Weather in February »

March, the first month of the spring, in Valleytown, is a cold month, with average temperature ranging between min 24.3°F (-4.3°C) and max 38.3°F (3.5°C). In Valleytown, the average high-temperature rises, from a subzero cold 24.4°F (-4.2°C) in February, to a cold 38.3°F (3.5°C). Weather in March »

April in Valleytown, Montana, is a cool spring month, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 53.1°F (11.7°C). In April, the average high-temperature soars, from a wintry 38.3°F (3.5°C) in March, to a cool 53.1°F (11.7°C). Weather in April »

May, the last month of the spring, in Valleytown, is a comfortable month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 46.9°F (8.3°C). In Valleytown, the average high-temperature in May rises, from a cool 53.1°F (11.7°C) in April, to a comfortable 65.8°F (18.8°C). Weather in May »

June, the first month of the summer, in Valleytown, is a moderately hot month, with average temperature varying between 55.4°F (13°C) and 75°F (23.9°C). In Valleytown, the average high-temperature increases, from an enjoyable 65.8°F (18.8°C) in May, to a moderately hot 75°F (23.9°C). Weather in June »

July, like June, in Valleytown, Montana, is a moderately hot summer month, with average temperature fluctuating between 84°F (28.9°C) and 63.1°F (17.3°C). With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month. The average heat index is evaluated at 83.8°F (28.8°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Valleytown, Montana, with average temperature fluctuating between 62.1°F (16.7°C) and 82.8°F (28.2°C). In August, the average high-temperature is practically the same as in July - a still warm 82.8°F (28.2°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Valleytown, Montana, with average temperature varying between 53.2°F (11.8°C) and 71.1°F (21.7°C). In September, the average high-temperature decreases, from a moderately hot 82.8°F (28.2°C) in August, to an agreeable 71.1°F (21.7°C). Weather in September »

October, the same as September, is another fresh autumn month in Valleytown, Montana, with average temperature varying between 54.3°F (12.4°C) and 39.4°F (4.1°C). In Valleytown, the average high-temperature in October plummets, from an agreeable 71.1°F (21.7°C) in September, to a cool 54.3°F (12.4°C). Weather in October »

November, the last month of the autumn, in Valleytown, is another cold month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 38.8°F (3.8°C). In November, the average high-temperature significantly decreases, from a fresh 54.3°F (12.4°C) in October, to a cold 38.8°F (3.8°C). Weather in November »

December, the first month of the winter, in Valleytown, is still a freezing cold month, with average temperature ranging between max 24.8°F (-4°C) and min 12.7°F (-10.7°C). In December, the average high-temperature decreases, from a wintry 38.8°F (3.8°C) in November, to a freezing cold 24.8°F (-4°C). Weather in December »

What is the most humid month in Valleytown?

January is the most humid month in Valleytown, with an average relative humidity of 85%.

How much does it rain in Valleytown?

In Valleytown, during the entire year, the rain falls for 91.8 days and collects up to 10.63" (270mm) of precipitation.

When does it snow in Valleytown?

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

How much does it snow in Valleytown?

In Valleytown, Montana, during the entire year, snow falls for 56.9 days, and aggregates up to 17.95" (456mm) of snow.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Valleytown.

What is the coldest month in Valleytown?

February is the coldest month, with an average high-temperature of 24.4°F (-4.2°C) and an average low-temperature of 10°F (-12.2°C).

What is the driest month in Valleytown?

February is the month with the least rainfall in Valleytown. Rain falls for 3.3 days and accumulates 0.43" (11mm) of precipitation.

What is the month with the least sunshine in Valleytown?

February has the least sunshine of the year, with an average of 4.6h of sunshine.

What is the wettest month in Valleytown?

The month with the most rainfall is May when the rain falls for 12.7 days and typically aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Valleytown?

In Valleytown, Montana, snow does not fall in June through September.

When are the longest days in Valleytown?

June has the longest days of the year, with an average of 16.1h of daylight.

What is the warmest month in Valleytown?

July is the warmest month, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63.1°F (17.3°C).

What month has the most sunshine in Valleytown?

The month with the most sunshine in Valleytown is July, with an average of 11.7h of sunshine.

When is the highest UV index in Valleytown?

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

What is the least humid month in Valleytown?

The least humid month is August, with an average relative humidity of 41%.

When does it snow the most in Valleytown?

The month with the most snowfall in Valleytown, Montana, is December when snow falls for 11.8 days and typically aggregates up to 3.43" (87mm) of snow.

What is the month with the shortest days in Valleytown?

The month with the shortest days in Valleytown is December, with an average of 8.4h of daylight.
Average temperature - Valleytown, MT
Average rainfall - Valleytown, MT
Average rainfall days - Valleytown, MT

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).

Average snowfall - Valleytown, MT
Average snowfall days - Valleytown, MT

The month with the highest number of snowfall days is January (12.3 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Valleytown, MT

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average UV index - Valleytown, MT