When to go · Big Sky
Big Sky in August
Great month. Inside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).
Key facts
- Verdict
- Great
- Temperature
- 27°C (81°F)81°F (27°C) / 7°C (45°F)45°F (7°C)
- average high / low
- Rain days
- 8
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).
Is another month better than August?
No other month rates higher than August for Big Sky in this guide.
Weather in August
- Big SkyHighs around 27 °C (81 °F), lows around 7 °C (45 °F), rain on about 8 daysHighs around 81 °F (27 °C), lows around 45 °F (7 °C), rain on about 8 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Big Sky, side by side.
Verdict
Aug: Great
Jan: Great
Daytime high
Aug: 27 °C (81 °F)81 °F (27 °C)
Jan: -2 °C (28 °F)28 °F (-2 °C)
Night low
Aug: 7 °C (45 °F)45 °F (7 °C)
Jan: -13 °C (9 °F)9 °F (-13 °C)
Rain days
Aug: 8 (better)
Jan: 10
Crowds
Aug: High
Jan: Low
Prices
Aug: High
Jan: Low
Festivals listed
Aug: 0
Jan: 0
August: Inside Big Sky's best window: Dec–Mar (ski), Jun–Sep (hiking, rafting, Yellowstone).
January: 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.
What to pack
- A warm layer for the evenings