When to go · Sun Valley
Sun Valley in March
Great month. Inside Sun Valley's best window: Jan–Mar (ski), Jul–Sep (hike, bike, fish).
Key facts
- Verdict
- Great
- Temperature
- 8°C (46°F)46°F (8°C) / −6°C (21°F)21°F (−6°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Sun Valley's best window: Jan–Mar (ski), Jul–Sep (hike, bike, fish).
Is another month better than March?
No other month rates higher than March for Sun Valley in this guide.
Weather in March
- Sun ValleyHighs around 8 °C (46 °F), lows around -6 °C (21 °F), rain on about 8 daysHighs around 46 °F (8 °C), lows around 21 °F (-6 °C), rain on about 8 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Mardi Gras (New Orleans) big impact
Feb or Mar (varies) · United States
New Orleans hotels triple in price and sell out.
Spring break big impact
March–April · United States
Students fill Florida, Texas and Mexico beaches; parks busy.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Spring break fills Florida beaches and parks; the desert parks come into season.
Compare two months
Weather, crowds and prices for any two months in Sun Valley, side by side.
Verdict
Mar: Great
Jan: Great
Daytime high
Mar: 8 °C (46 °F)46 °F (8 °C)
Jan: 0 °C (32 °F)32 °F (0 °C)
Night low
Mar: -6 °C (21 °F)21 °F (-6 °C)
Jan: -12 °C (10 °F)10 °F (-12 °C)
Rain days
Mar: 8 (better)
Jan: 9
Crowds
Mar: Medium
Jan: Low
Prices
Mar: Medium
Jan: Low
Festivals listed
Mar: 2
Jan: 0
March: Inside Sun Valley's best window: Jan–Mar (ski), Jul–Sep (hike, bike, fish).
January: Inside Sun Valley's best window: Jan–Mar (ski), Jul–Sep (hike, bike, fish).
Sun Valley: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings