Monthly weather forecast and climate
Sand Coulee, MT

Weather in January

January in Sand Coulee, Montana, is a wintry winter month, with average temperature varying between 32.2°F (0.1°C) and 19.8°F (-6.8°C). In Sand Coulee, the average high-temperature in January is practically the same as in December - a wintry 32.2°F (0.1°C). Weather in January »

Weather in February

February, the last month of the winter, in Sand Coulee, is also a subzero cold month, with temperature in the range of an average low of 18.3°F (-7.6°C) and an average high of 31.6°F (-0.2°C). In Sand Coulee, the average high-temperature is relatively the same as in January - a freezing cold 31.6°F (-0.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Sand Coulee, Montana, with average temperature ranging between max 43.3°F (6.3°C) and min 27.5°F (-2.5°C). In Sand Coulee, the average high-temperature in March increases, from a freezing cold 31.6°F (-0.2°C) in February, to a chilly 43.3°F (6.3°C). Weather in March »

Weather in April

April in Sand Coulee, Montana, is a cool spring month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 52.3°F (11.3°C). In Sand Coulee, the average high-temperature increases, from a chilly 43.3°F (6.3°C) in March, to a cool 52.3°F (11.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Sand Coulee, Montana, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 63°F (17.2°C). In May, the average high-temperature rises, from a cool 52.3°F (11.3°C) in April, to a comfortable 63°F (17.2°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Sand Coulee, Montana, with average temperature varying between 72°F (22.2°C) and 49.6°F (9.8°C). In Sand Coulee, the average high-temperature in June increases, from a comfortable 63°F (17.2°C) in May, to an agreeable 72°F (22.2°C). Weather in June »

Weather in July

July is a warm summer month in Sand Coulee, Montana, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 82.9°F (28.3°C). With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 56.8°F (13.8°C), July is the warmest month. In July, the average heat index is appraised at 82.8°F (28.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Sand Coulee, Montana, with average temperature ranging between min 58.5°F (14.7°C) and max 81.5°F (27.5°C). In August, the average high-temperature is essentially the same as in July - a still warm 81.5°F (27.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Sand Coulee, Montana, with average temperature varying between 50.9°F (10.5°C) and 70.7°F (21.5°C). In September, the average high-temperature decreases, from a moderately hot 81.5°F (27.5°C) in August, to an agreeable 70.7°F (21.5°C). Weather in September »

Weather in October

October, like September, in Sand Coulee, Montana, is a cool autumn month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 54.1°F (12.3°C). In Sand Coulee, the average high-temperature plummets, from a pleasant 70.7°F (21.5°C) in September, to a cool 54.1°F (12.3°C). Weather in October »

Weather in November

November, the last month of the autumn, in Sand Coulee, is another cold month, with temperature in the range of an average high of 41°F (5°C) and an average low of 27.3°F (-2.6°C). In November, the average high-temperature decreases, from a cool 54.1°F (12.3°C) in October, to a cold 41°F (5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Sand Coulee, Montana, with average temperature varying between 30°F (-1.1°C) and 18.5°F (-7.5°C). December is the coldest month, with an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 18.5°F (-7.5°C). Weather in December »
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FAQ

What is the most humid month in Sand Coulee?

January is the most humid month, with an average relative humidity of 77%.

How many days does it rain in Sand Coulee?

In Sand Coulee, Montana, during the entire year, the rain falls for 85.3 days and collects up to 9.84" (250mm) of precipitation.

When does it snow in Sand Coulee?

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

How much does it snow in Sand Coulee?

In Sand Coulee, during the entire year, snow falls for 58.9 days, and aggregates up to 28.54" (725mm) of snow.

What is the month with the least sunshine in Sand Coulee?

Months with the least sunshine in Sand Coulee are January, February and December, with an average of 5.6h of sunshine.

What is the month with the lowest UV index in Sand Coulee?

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

What is the snowiest month in Sand Coulee?

February is the month with the most snowfall. Snow falls for 12.9 days and accumulates 5.67" (144mm) of snow.

What is the wettest month in Sand Coulee?

June is the month with the most rainfall. Rain falls for 10.3 days and accumulates 1.57" (40mm) of precipitation.

When it does not snow in Sand Coulee?

June through August are months without snowfall in Sand Coulee, Montana.

When are the longest days in Sand Coulee?

With an average of 15.9h of daylight, June has the longest days of the year.

What is the warmest month in Sand Coulee?

July is the warmest month in Sand Coulee, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 56.8°F (13.8°C).

What is the driest month in Sand Coulee?

July is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.47" (12mm) of precipitation.

What month has the most sunshine in Sand Coulee?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

What is the month with the highest UV index in Sand Coulee?

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

What is the least humid month in Sand Coulee?

August is the least humid month, with an average relative humidity of 40%.

What is the coldest month in Sand Coulee?

With an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 18.5°F (-7.5°C), December is the coldest month in Sand Coulee, Montana.

What is the month with the shortest days in Sand Coulee?

The month with the shortest days is December, with an average of 8.5h of daylight.

Average temperature
Sand Coulee, MT

Average temperature - Sand Coulee, MT

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30°F).

The month with the highest average low temperature is August (58.5°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).

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Average pressure
Sand Coulee, MT

Average pressure - Sand Coulee, MT

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed
Sand Coulee, MT

Average wind speed - Sand Coulee, MT

The windiest months (with the highest average wind speed) are January and November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average rainfall
Sand Coulee, MT

Average rainfall - Sand Coulee, MT

The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days
Sand Coulee, MT

Average rainfall days - Sand Coulee, MT

The month with the highest number of rainy days is May (11.7 days).
Months with the least rainy days are November and December (4 days).

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Average snowfall
Sand Coulee, MT

Average snowfall - Sand Coulee, MT

The month with the highest snowfall is February (5.67").
Months with the least snowfall are June, July and August (0").

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Average snowfall days
Sand Coulee, MT

Average snowfall days - Sand Coulee, MT

The month with the highest number of snowfall days is February (12.9 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Sand Coulee, MT

Average daylight / Average sunshine - Sand Coulee, 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: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 5.6).

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Average sunshine days
Sand Coulee, MT

Average sunshine days - Sand Coulee, MT

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index
Sand Coulee, MT

Average UV index - Sand Coulee, MT

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average visibility
Sand Coulee, MT

Average visibility - Sand Coulee, 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).

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