Big Sandy
Montana, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Big Sandy, MT

January, like December, is another subzero cold winter month in Big Sandy, Montana, with average temperature varying between 30.6°F (-0.8°C) and 18°F (-7.8°C). In January, the average high-temperature is almost the same as in December - a still freezing cold 30.6°F (-0.8°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Big Sandy, Montana, with average temperature ranging between min 17.8°F (-7.9°C) and max 30.9°F (-0.6°C). In Big Sandy, the average high-temperature is relatively the same as in January - a still subzero cold 30.9°F (-0.6°C). Weather in February »

March, the first month of the spring, in Big Sandy, is a chilly month, with temperature in the range of an average high of 43.2°F (6.2°C) and an average low of 27.3°F (-2.6°C). In Big Sandy, the average high-temperature in March rises, from a subzero cold 30.9°F (-0.6°C) in February, to a frosty 43.2°F (6.2°C). Weather in March »

April is a fresh spring month in Big Sandy, Montana, 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). In Big Sandy, the average high-temperature in April increases, from a frosty 43.2°F (6.2°C) in March, to a cool 54.1°F (12.3°C). Weather in April »

May, the last month of the spring, in Big Sandy, is an enjoyable month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 64.6°F (18.1°C). In Big Sandy, the average high-temperature in May increases, from a cool 54.1°F (12.3°C) in April, to a comfortable 64.6°F (18.1°C). Weather in May »

The first month of the summer, June, is a warm month in Big Sandy, Montana, with average temperature varying between 73.8°F (23.2°C) and 52.3°F (11.3°C). In June, the average high-temperature increases, from a comfortable 64.6°F (18.1°C) in May, to a warm 73.8°F (23.2°C). Weather in June »

July, the same as June, is a moderately hot summer month in Big Sandy, Montana, with average temperature ranging between min 60.3°F (15.7°C) and max 83.8°F (28.8°C). July is the warmest month, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 60.3°F (15.7°C). The average heat index is estimated at 83.5°F (28.6°C). Weather in July »

August, the last month of the summer, in Big Sandy, is another warm month, with average temperature ranging between min 61.3°F (16.3°C) and max 82.6°F (28.1°C). In Big Sandy, the average high-temperature in August is almost the same as in July - a still moderately hot 82.6°F (28.1°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Big Sandy, Montana, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 52.9°F (11.6°C). In September, the average high-temperature drops, from a warm 82.6°F (28.1°C) in August, to a pleasant 71.4°F (21.9°C). Weather in September »

October, the same as September, in Big Sandy, Montana, is a moderate autumn month, with average temperature fluctuating between 55.6°F (13.1°C) and 39.4°F (4.1°C). In October, the average high-temperature declines considerably, from an agreeable 71.4°F (21.9°C) in September, to a mild 55.6°F (13.1°C). Weather in October »

The last month of the autumn, November, is also a wintry month in Big Sandy, Montana, with average temperature ranging between max 41.9°F (5.5°C) and min 28.2°F (-2.1°C). In Big Sandy, the average high-temperature decreases, from a mild 55.6°F (13.1°C) in October, to a cold 41.9°F (5.5°C). Weather in November »

The first month of the winter, December, is still a freezing cold month in Big Sandy, Montana, with temperature in the range of an average high of 30.2°F (-1°C) and an average low of 18.3°F (-7.6°C). 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). Weather in December »

What is the most humid month in Big Sandy?

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

How many days does it rain in Big Sandy?

In Big Sandy, during the entire year, the rain falls for 91 days and collects up to 6.42" (163mm) of precipitation.

When does it snow in Big Sandy?

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

How many days does it snow in Big Sandy?

Throughout the year, there are 44.2 snowfall days, and 11.18" (284mm) of snow is accumulated.

When does it snow the most in Big Sandy?

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

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

Months with the lowest UV index in Big Sandy, Montana, are January, February, November and December, with an average maximum UV index of 2.

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

With an average of 5.3h of sunshine, February has the least sunshine of the year.

What is the rainiest month in Big Sandy?

The month with the most rainfall 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 in Big Sandy, Montana.

When are the longest days in Big Sandy?

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

What is the warmest month in Big Sandy?

July is the warmest month in Big Sandy, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 60.3°F (15.7°C).

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?

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

What is the coldest month 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. 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 8.4h of daylight.
Average temperature - Big Sandy, MT
Average rainfall - Big Sandy, MT
Average rainfall days - Big Sandy, MT
Average snowfall days - Big Sandy, MT

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

Average daylight / Average sunshine - Big Sandy, 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: 12h).
The month with the least sunshine is February (Average sunshine: 5.3h).

Average UV index - Big Sandy, MT