Monthly weather forecast and climate
Big Sky, MT

A beautiful view of the scenery in Big Sky, Montana, vast fields, and planted forests near the scenic mountainous region, scattered clouds above
A beautiful view of the scenery in Big Sky, Montana, vast fields, and planted forests near the scenic mountainous region, scattered clouds above

How much does it rain in Big Sky?

During the entire year, Big Sky aggregates up to 19.9" (506.1mm) of precipitation.

When does it snow in Big Sky?

January through July, September through December are months with snowfall in Big Sky, Montana.

How much does it snow in Big Sky?

In Big Sky, during the entire year, snow aggregates up to 144.4" (3667.9mm).

What is the snowiest month in Big Sky?

January is the month with the most snowfall, with 31.9" (810.3mm) of accumulated snow.

What is the driest month in Big Sky?

The month with the least rainfall is February when 1.2" (29.5mm) of precipitation is typically aggregated.

What is the rainiest month in Big Sky?

The month with the most rainfall in Big Sky is June when 2.8" (71.6mm) of precipitation is typically aggregated.

What is the warmest month in Big Sky?

August is the warmest month in Big Sky, Montana, with an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 38.1°F (3.4°C).

What is the coldest month in Big Sky?

The coldest month is December, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 6.6°F (-14.1°C).
Average temperature - Big Sky, MT
Average rainfall - Big Sky, MT

Wettest months (with the highest rainfall) are May and June (2.8").
Driest months (with the lowest rainfall) are February and March (1.2").

Average daylight - Big Sky, MT

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

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