When to go · Sun Valley
Sun Valley in August
Great month. Inside Sun Valley's best window: Jan–Mar (ski), Jul–Sep (hike, bike, fish).
Key facts
- Verdict
- Great
- Temperature
- 29°C84°F / 9°C48°F
- average high / low
- Rain days
- 4
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
GreatBest and avoid months for Sun Valley
Inside Sun Valley's best window: Jan–Mar (ski), Jul–Sep (hike, bike, fish).
Weather in August
- Sun ValleyHighs around 29 °C, lows around 9 °C, rain on about 4 daysHighs around 84 °F, lows around 48 °F, rain on about 4 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.
What to pack
- A warm layer for the evenings