Fort Shaw
Montana, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Fort Shaw, MT

January, like December, is a freezing cold winter month in Fort Shaw, Montana, with temperature in the range of an average low of 18.7°F (-7.4°C) and an average high of 31.3°F (-0.4°C). In Fort Shaw, the average high-temperature in January is essentially the same as in December - a still subzero cold 31.3°F (-0.4°C). Weather in January »

The last month of the winter, February, is also a subzero cold month in Fort Shaw, Montana, with average temperature ranging between min 17.6°F (-8°C) and max 31.3°F (-0.4°C). In February, the average high-temperature remains the same as in January - a still subzero cold 31.3°F (-0.4°C). Weather in February »

The first month of the spring, March, is a cold month in Fort Shaw, Montana, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 42.6°F (5.9°C). In March, the average high-temperature increases, from a subzero cold 31.3°F (-0.4°C) in February, to a wintry 42.6°F (5.9°C). Weather in March »

April is a fresh spring month in Fort Shaw, Montana, with average temperature fluctuating between 34.3°F (1.3°C) and 51.4°F (10.8°C). In Fort Shaw, the average high-temperature slightly increases, from a wintry 42.6°F (5.9°C) in March, to a cool 51.4°F (10.8°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Fort Shaw, Montana, with average temperature ranging between min 41.9°F (5.5°C) and max 62.2°F (16.8°C). In May, the average high-temperature increases, from a fresh 51.4°F (10.8°C) in April, to a comfortable 62.2°F (16.8°C). Weather in May »

June, the first month of the summer, in Fort Shaw, is an agreeable month, with average temperature varying between 71.2°F (21.8°C) and 48.7°F (9.3°C). In June, the average high-temperature rises, from a comfortable 62.2°F (16.8°C) in May, to an agreeable 71.2°F (21.8°C). Weather in June »

July is a warm summer month in Fort Shaw, Montana, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 82.2°F (27.9°C). With an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 55.6°F (13.1°C), July is the warmest month. In July, the average heat index is estimated at 82.2°F (27.9°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Fort Shaw, Montana, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 56.7°F (13.7°C). In August, the average high-temperature is relatively the same as in July - a still warm 81.1°F (27.3°C). Weather in August »

September, the first month of the autumn, in Fort Shaw, is still a pleasant month, with average temperature fluctuating between 70.5°F (21.4°C) and 49.5°F (9.7°C). In September, the average high-temperature decreases, from a moderately hot 81.1°F (27.3°C) in August, to an agreeable 70.5°F (21.4°C). Weather in September »

October, like September, in Fort Shaw, Montana, is another fresh autumn month, with average temperature fluctuating between 36.7°F (2.6°C) and 54.5°F (12.5°C). In October, the average high-temperature plummets, from an agreeable 70.5°F (21.4°C) in September, to a cool 54.5°F (12.5°C). Weather in October »

November, the last month of the autumn, in Fort Shaw, is also a wintry month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 26.6°F (-3°C). In November, the average high-temperature declines considerably, from a cool 54.5°F (12.5°C) in October, to a wintry 40.1°F (4.5°C). Weather in November »

December, the first month of the winter, in Fort Shaw, is also a subzero cold month, with average temperature fluctuating between 17.4°F (-8.1°C) and 29.5°F (-1.4°C). December is the coldest month, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 17.4°F (-8.1°C). Weather in December »

What is the most humid month in Fort Shaw?

With an average relative humidity of 78%, January is the most humid month in Fort Shaw.

How many days does it rain in Fort Shaw?

Throughout the year, in Fort Shaw, there are 112.8 rainfall days, and 12.95" (329mm) of precipitation is accumulated.

What is the driest month in Fort Shaw?

January and July are months with the least rain in Fort Shaw when the rain falls for 4.8 days and typically aggregates up to 0.63" (16mm) of rain.

When does it snow in Fort Shaw?

Months with snowfall in Fort Shaw are January through May, September through December.

How many days does it snow in Fort Shaw?

In Fort Shaw, Montana, during the entire year, snow falls for 69.4 days, and aggregates up to 35.35" (898mm) of snow.

What is the month with the least sunshine in Fort Shaw?

Months with the least sunshine in Fort Shaw are January and December, with an average of 5.4h of sunshine.

What is the month with the lowest UV index in Fort Shaw?

Months with the lowest UV index in Fort Shaw, Montana, are January through March, October through December, with an average maximum UV index of 2.

What is the snowiest month in Fort Shaw?

February is the month with the most snowfall. Snow falls for 14.4 days and accumulates 6.34" (161mm) of snow.

What is the rainiest month in Fort Shaw?

June is the month with the most rainfall in Fort Shaw, Montana. Rain falls for 13.8 days and accumulates 2.05" (52mm) of precipitation.

When it does not snow in Fort Shaw?

In Fort Shaw snow does not fall in June through August.

When are the longest days in Fort Shaw?

June has the longest days of the year in Fort Shaw, with an average of 15.9h of daylight.

What is the warmest month in Fort Shaw?

The warmest month in Fort Shaw, Montana, is July, with an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 55.6°F (13.1°C).

What month has the most sunshine in Fort Shaw?

With an average of 11.9h of sunshine, July has the most sunshine of the year in Fort Shaw.

When is the highest UV index in Fort Shaw?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the least humid month in Fort Shaw?

August is the least humid month in Fort Shaw, Montana, with an average relative humidity of 41%.

What is the coldest month in Fort Shaw?

The coldest month in Fort Shaw, Montana, is December, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 17.4°F (-8.1°C).

What is the month with the shortest days in Fort Shaw?

December has the shortest days of the year in Fort Shaw, with an average of 8.5h of daylight.
Average temperature - Fort Shaw, MT
Average rainfall - Fort Shaw, MT

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").

Average rainfall days - Fort Shaw, MT
Average snowfall - Fort Shaw, MT
Average snowfall days - Fort Shaw, MT

The month with the highest number of snowfall days is February (14.4 days).
Months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine - Fort Shaw, MT

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

The month with the most sunshine is July (Average sunshine: 11.9h).
Months with the least sunshine are January and December (Average sunshine: 5.4).

Average UV index - Fort Shaw, MT