Best Time to Visit Big Sky for Winter Activities | Weather by Month

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Winter Activities Potential

91/100

Excellent

Based on optimal climate

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Seasonality

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Best Time

December, January, February

Avoid

Avoid (Extreme Weather)

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Weather

-6°C – 17°C

Avg Temp Range

Precipitation

Generally dry

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Good For

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United StatesWinter Activities climate guide

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❄️ Planning a winter trip to Big Sky?

The best time to visit Big Sky for winter activities is December, January, February, when conditions are ideal for experiences like northern lights, dog sledding, and snow excursions. If you're planning your trip during this period, it’s a good idea to explore available tours and places to stay in advance.

→ Explore the best places to stay in Big Sky

→ Discover winter activities in Big Sky

Climate Heatmap

See at a glance which months offer the best winter activities conditions — based on temperature, rainfall and climate scores.

Winter months in Big Sky offer the highest chances of seeing the northern lights and enjoying snow-based activities.

→ See where to stay in Big Sky

Winter Activities conditions breakdown

Monthly weather & climate data for Big Sky

Month	Climate Score	Predictability	Avg Temp	Max Temp	Rain (mm)	Rain Days	Humidity	Season
January	90Excellent Cool temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	-6°	-1°	54	8.9	62%	shoulder
February	90Excellent Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	-6°	1°	47	9.4	61%	dry
March	87Excellent Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	-2°	5°	45	9.9	58%	dry
April	77Good Cool temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	2°	9°	54	10.6	57%	shoulder
May	20Poor Cool temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	8°	15°	68	11.1	52%	shoulder
June	20Poor Cool temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	12°	20°	78	10.2	52%	shoulder
July	1Poor Mild temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	17°	26°	39	7.1	43%	dry
August	20Poor Mild temperatures. Mostly dry conditions.	Predictability 60Weather conditions vary somewhat by season.	16°	25°	40	7.1	40%	dry
September	20Poor Cool temperatures. Mostly dry conditions.	Predictability 60Weather conditions vary somewhat by season.	11°	19°	40	7.5	44%	dry
October	35Poor Cool temperatures. Mostly dry conditions.	Predictability 60Weather conditions vary somewhat by season.	4°	11°	46	7.3	51%	dry
November	89Excellent Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	-3°	4°	49	8.4	62%	dry
December	91Excellent Cool temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	-6°	-1°	59	9.3	60%	shoulder