When to go · Big Sky
Big Sky, month by month
The best months for Big Sky: Jan, Feb, Mar, Jun, Jul, Aug, Sep, Dec. Months to avoid: Apr, May, Nov.
Month by month
- JanuaryGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).-2 °C (28 °F) / -13 °C (9 °F), 10 rain days28 °F (-2 °C) / 9 °F (-13 °C), 10 rain daysCrowds: Low
- FebruaryGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).0 °C (32 °F) / -12 °C (10 °F), 9 rain days32 °F (0 °C) / 10 °F (-12 °C), 9 rain daysCrowds: Low · 1 festival or holiday
- MarchGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).5 °C (41 °F) / -8 °C (18 °F), 11 rain days41 °F (5 °C) / 18 °F (-8 °C), 11 rain daysCrowds: Medium · 2 festivals or holidays
- AprilAvoidListed as a month to avoid: Apr–May and Nov (mud season, lifts and many businesses closed).10 °C (50 °F) / -4 °C (25 °F), 11 rain days50 °F (10 °C) / 25 °F (-4 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- MayAvoidListed as a month to avoid: Apr–May and Nov (mud season, lifts and many businesses closed).16 °C (61 °F) / 1 °C (34 °F), 13 rain days61 °F (16 °C) / 34 °F (1 °C), 13 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).21 °C (70 °F) / 5 °C (41 °F), 12 rain days70 °F (21 °C) / 41 °F (5 °C), 12 rain daysCrowds: High
- JulyGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).27 °C (81 °F) / 8 °C (46 °F), 8 rain days81 °F (27 °C) / 46 °F (8 °C), 8 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).27 °C (81 °F) / 7 °C (45 °F), 8 rain days81 °F (27 °C) / 45 °F (7 °C), 8 rain daysCrowds: High
- SeptemberGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).21 °C (70 °F) / 3 °C (37 °F), 8 rain days70 °F (21 °C) / 37 °F (3 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGoodOutside the best window (Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone)). Across United States: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.13 °C (55 °F) / -2 °C (28 °F), 9 rain days55 °F (13 °C) / 28 °F (-2 °C), 9 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Apr–May and Nov (mud season, lifts and many businesses closed).4 °C (39 °F) / -8 °C (18 °F), 10 rain days39 °F (4 °C) / 18 °F (-8 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- DecemberGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).-1 °C (30 °F) / -12 °C (10 °F), 11 rain days30 °F (-1 °C) / 10 °F (-12 °C), 11 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Big Sky, side by side.
Verdict
Jan: Great
Feb: Great
Daytime high
Jan: -2 °C (28 °F)28 °F (-2 °C)
Feb: 0 °C (32 °F)32 °F (0 °C)
Night low
Jan: -13 °C (9 °F)9 °F (-13 °C)
Feb: -12 °C (10 °F)10 °F (-12 °C)
Rain days
Jan: 10
Feb: 9 (better)
Crowds
Jan: Low
Feb: Low
Prices
Jan: Low
Feb: Medium
Festivals listed
Jan: 0
Feb: 1
January: Inside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).
February: Inside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).
Big Sky: figures are long-term averages from this guide, not a forecast.