Skip to content
Voykit
Set your trip — dates, party, bagsPlanner

Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

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

  1. JanuaryGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).-2 °C / -13 °C, 10 rain daysCrowds: Low
  2. FebruaryGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).0 °C / -12 °C, 9 rain daysCrowds: Low · 1 festival or holiday
  3. MarchGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).5 °C / -8 °C, 11 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilAvoidListed as a month to avoid: Apr–May and Nov (mud season, lifts and many businesses closed).10 °C / -4 °C, 11 rain daysCrowds: Medium · 1 festival or holiday
  5. MayAvoidListed as a month to avoid: Apr–May and Nov (mud season, lifts and many businesses closed).16 °C / 1 °C, 13 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).21 °C / 5 °C, 12 rain daysCrowds: High
  7. JulyGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).27 °C / 8 °C, 8 rain daysCrowds: High · 1 festival or holiday
  8. AugustGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).27 °C / 7 °C, 8 rain daysCrowds: High
  9. SeptemberGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).21 °C / 3 °C, 8 rain daysCrowds: Medium · 1 festival or holiday
  10. 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 / -2 °C, 9 rain daysCrowds: Medium
  11. NovemberAvoidListed as a month to avoid: Apr–May and Nov (mud season, lifts and many businesses closed).4 °C / -8 °C, 10 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberGreatInside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).-1 °C / -12 °C, 11 rain daysCrowds: High · 1 festival or holiday