Sun Valley weather in February
February in Sun Valley: freezing, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Sun Valley · #162 of 604 destinations to visit in February · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Sun Valley climate normals — February
| Daytime high | -1°C / 31°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -11°C / 13°F | |
| Feels like (high) | -5°C / 23°F | |
| Rainfall | 48 mm / 1.9 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 72% | 💧 humid |
| Dew point | -11°C / 12°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 10.5 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 50.1 cm / 19.7 in | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Sun Valley?
Loading map…
Sun Valley in February — FAQ
- Is February a good time to visit Sun Valley?
- February in Sun Valley: freezing, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Sun Valley on SeasonMap's comfort score (83/100).
- What is the weather like in Sun Valley in February?
- In February, Sun Valley averages a daily high of -0.8°C and a low of -10.6°C, with about 48.3 mm of rain over roughly 8.4 rainy days.
- What is the air quality in Sun Valley in February?
- Sun Valley has a mean US Air Quality Index of about 46 in February.
- Does it snow in Sun Valley in February?
- Sun Valley sees roughly 50.1 cm of snowfall in February.