Climate and monthly weather forecast
Big Sandy, MT

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Weather in January

January, like December, is a freezing cold winter month in Big Sandy, Montana, with an average temperature varying between 18°F (-7.8°C) and 30.6°F (-0.8°C). Big Sandy ushers in January with an average high-temperature of a still freezing cold 30.6°F (-0.8°C), showing a close resemblance to the previous month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Big Sandy, Montana, with an average temperature ranging between min 17.8°F (-7.9°C) and max 30.9°F (-0.6°C). In Big Sandy, February's average high-temperature stands at a still freezing cold 30.9°F (-0.6°C), closely related to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Big Sandy, is a chilly month, with an average temperature varying between 43.2°F (6.2°C) and 27.3°F (-2.6°C). March indicates a change in the average high-temperature, moving up from a freezing cold 30.9°F (-0.6°C) in February to a frosty 43.2°F (6.2°C). Weather in March »

Weather in April

April in Big Sandy, Montana, is a cool spring month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 54.1°F (12.3°C). Big Sandy's transition into April is marked by a temperature shift, moving from a chilly 43.2°F (6.2°C) in March to a cool 54.1°F (12.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Big Sandy, Montana, with an average temperature fluctuating between 64.6°F (18.1°C) and 45.1°F (7.3°C). The shift from April to May brings an increase in the average high-temperature, moving from a cool 54.1°F (12.3°C) to an enjoyable 64.6°F (18.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Big Sandy, Montana, with an average temperature ranging between min 52.3°F (11.3°C) and max 73.8°F (23.2°C). As Big Sandy transitions into June, a rise in the average high-temperature is observed, moving from a comfortable 64.6°F (18.1°C) in May to a moderately hot 73.8°F (23.2°C). Weather in June »

Weather in July

July, like June, in Big Sandy, Montana, is another warm summer month, with an average temperature fluctuating between 60.3°F (15.7°C) and 83.8°F (28.8°C). July, with its high-temperature average of 83.8°F (28.8°C) and a low-temperature average of 60.3°F (15.7°C), is the warmest month. The heat index value for July is appraised at 84.2°F (29°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Big Sandy, Montana, with an average temperature varying between 82.6°F (28.1°C) and 61.3°F (16.3°C). Big Sandy records an average high-temperature of a still warm 82.6°F (28.1°C) in August, maintaining a close correlation with July's 83.8°F (28.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Big Sandy, Montana, with an average temperature fluctuating between 52.9°F (11.6°C) and 71.4°F (21.9°C). Big Sandy's September weather comes with a decrease in average high-temperatures, moving from a moderately hot 82.6°F (28.1°C) in August to a pleasant 71.4°F (21.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Big Sandy, Montana, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 39.4°F (4.1°C). With the transition into October, Big Sandy experiences a significant decrease in average high-temperatures, moving down from a pleasant 71.4°F (21.9°C) in September to a refreshing 55.6°F (13.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Big Sandy, is also an icy month, with an average temperature varying between 41.9°F (5.5°C) and 28.2°F (-2.1°C). Big Sandy's November weather features a mild decline in high-temperatures, reducing from a refreshing 55.6°F (13.1°C) in October to an icy 41.9°F (5.5°C). Weather in November »

Weather in December

December, the first month of the winter in Big Sandy, is still a freezing cold month, with an average temperature ranging between min 18.3°F (-7.6°C) and max 30.2°F (-1°C). The coldest month is December, with an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 18.3°F (-7.6°C). Weather in December »
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Frequently asked questions

What is the most humid month in Big Sandy?

January is the most humid month in Big Sandy, with an average relative humidity of 79%.

How much does it rain in Big Sandy?

Throughout the year, in Big Sandy, Montana, there are 91 rainfall days, and 6.42" (163mm) of precipitation is accumulated.

When does it snow in Big Sandy?

January through May, September through December are months with snowfall in Big Sandy.

What is the snowiest month in Big Sandy?

The month with the most snowfall is January, when snow falls for 9.2 days and typically aggregates up to 2.4" (61mm) of snow.

How much does it snow in Big Sandy?

In Big Sandy, Montana, during the entire year, snow falls for 44.2 days and aggregates up to 11.18" (284mm) of snow.

What are the months with the lowest UV index in Big Sandy?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the month with the least sunshine in Big Sandy?

The month with the least sunshine in Big Sandy, Montana, is February, with an average of 5.3h of sunshine.

When is Daylight Saving Time (DST) in Big Sandy?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Big Sandy, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month in Big Sandy?

The month with the most rainfall in Big Sandy, Montana, is June, when the rain falls for 12.2 days and typically aggregates up to 1.22" (31mm) of precipitation.

When it does not snow in Big Sandy?

June through August are months without snowfall.

When are the longest days in Big Sandy?

June has the longest days of the year in Big Sandy, with an average of 16h and 0min of daylight.

When is the highest UV index in Big Sandy?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Big Sandy, Montana.

What month is the hottest in Big Sandy?

July, recording an average high temperature of 83.8°F (28.8°C) and a low temperature of 60.3°F (15.7°C), is Big Sandy's warmest month.

What month has the most sunshine in Big Sandy?

With an average of 12h of sunshine, July has the most sunshine of the year.

What is the least humid month in Big Sandy?

August is the least humid month in Big Sandy, Montana, with an average relative humidity of 38%.

What part of the year is the coldest in Big Sandy?

December is the coldest month, with an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 18.3°F (-7.6°C).

What is the driest month in Big Sandy?

December is the month with the least rainfall in Big Sandy, Montana. Rain falls for 4.5 days and accumulates 0.28" (7mm) of precipitation.

What is the month with the shortest days in Big Sandy?

December has the shortest days of the year in Big Sandy, Montana, with an average of 8h and 24min of daylight.

Average temperature
Big Sandy, MT

Average temperature - Big Sandy, MT

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.2°F).

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

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Average pressure
Big Sandy, MT

Average pressure - Big Sandy, MT

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed
Big Sandy, MT

Average wind speed - Big Sandy, MT

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average rainfall
Big Sandy, MT

Average rainfall - Big Sandy, MT

The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.28").

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Average rainfall days
Big Sandy, MT

Average rainfall days - Big Sandy, MT

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall
Big Sandy, MT

Average snowfall - Big Sandy, MT

The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Big Sandy, MT

Average snowfall days - Big Sandy, MT

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Big Sandy, MT

Average daylight / Average sunshine - Big Sandy, MT

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

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Average sunshine days
Big Sandy, MT

Average sunshine days - Big Sandy, MT

The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (14.6 days).

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Average UV index
Big Sandy, MT

Average UV index - Big Sandy, MT

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Big Sandy, MT

Average visibility - Big Sandy, MT

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Big Sandy, Montana, USA

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