Monthly weather forecast and climate
Vandalia, MT

January, the same as December, in Vandalia, Montana, is a freezing cold winter month, with average temperature ranging between max 24.3°F (-4.3°C) and min 10.9°F (-11.7°C). In Vandalia, the average high-temperature is essentially the same as in December - a still subzero cold 24.3°F (-4.3°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Vandalia, Montana, with temperature in the range of an average low of 10.2°F (-12.1°C) and an average high of 23.7°F (-4.6°C). With an average high-temperature of 23.7°F (-4.6°C) and an average low-temperature of 10.2°F (-12.1°C), February is the coldest month. Weather in February »

The first month of the spring, March, is a wintry month in Vandalia, Montana, with average temperature ranging between max 38.3°F (3.5°C) and min 23.9°F (-4.5°C). In March, the average high-temperature soars, from a subzero cold 23.7°F (-4.6°C) in February, to a wintry 38.3°F (3.5°C). Weather in March »

April is a cool spring month in Vandalia, Montana, with average temperature fluctuating between 36°F (2.2°C) and 52.2°F (11.2°C). In April, the average high-temperature increases, 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 Vandalia, is an enjoyable month, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 46.9°F (8.3°C). In Vandalia, 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 Vandalia, is a moderately hot month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 74.7°F (23.7°C). In June, the average high-temperature 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, the same as June, is another warm summer month in Vandalia, Montana, with average temperature fluctuating between 83.1°F (28.4°C) and 63.3°F (17.4°C). 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. The average heat index in July is appraised at 82.9°F (28.3°C). Weather in July »

The last month of the summer, August, is another warm month in Vandalia, Montana, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 81.7°F (27.6°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 81.7°F (27.6°C). Weather in August »

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

October, like September, in Vandalia, Montana, is another fresh autumn month, with average temperature fluctuating between 39.6°F (4.2°C) and 53.8°F (12.1°C). In October, the average high-temperature significantly decreases, from a pleasant 70.2°F (21.2°C) in September, to a fresh 53.8°F (12.1°C). Weather in October »

The last month of the autumn, November, is another cold month in Vandalia, Montana, with average temperature varying between 38.3°F (3.5°C) and 25.7°F (-3.5°C). In November, the average high-temperature plummets, from a fresh 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 Vandalia, is still a freezing cold month, with average temperature varying between 12.7°F (-10.7°C) and 24.6°F (-4.1°C). In December, the average high-temperature decreases, from a cold 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 Vandalia?

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

How many days does it rain in Vandalia?

In Vandalia, Montana, during the entire year, the rain falls for 90.8 days and collects up to 11.1" (282mm) of precipitation.

What is the driest month in Vandalia?

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

When does it snow in Vandalia?

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

How many days does it snow in Vandalia?

In Vandalia, Montana, 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 Vandalia?

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

What is the month with the least sunshine in Vandalia?

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

What is the rainiest month in Vandalia?

June is the month with the most rainfall in Vandalia, Montana. Rain falls for 13.2 days and accumulates 2.01" (51mm) of precipitation.

When it does not snow in Vandalia?

June through September are months without snowfall.

When are the longest days in Vandalia?

The month with the longest days in Vandalia is June, with an average of 16h of daylight.

What is the warmest month in Vandalia?

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).

What month has the most sunshine in Vandalia?

With an average of 11.8h of sunshine, July has the most sunshine of the year.

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

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

What is the least humid month in Vandalia?

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

When does it snow the most in Vandalia?

The month with the most snowfall in Vandalia, Montana, is December when snow falls for 8.6 days and typically aggregates up to 2.6" (66mm) of snow.

What is the month with the shortest days in Vandalia?

December has the shortest days of the year in Vandalia, Montana, with an average of 8.4h of daylight.

When is the lowest UV index in Vandalia?

The month with the lowest UV index in Vandalia, Montana, is December, with an average maximum UV index of 1.
Average temperature - Vandalia, MT
Average pressure - Vandalia, 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 - Vandalia, 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 - Vandalia, 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 - Vandalia, MT
Average snowfall - Vandalia, MT
Average snowfall days - Vandalia, 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 - Vandalia, MT

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

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 - Vandalia, 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 - Vandalia, 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).