Sun Valley weather in June
June in Sun Valley: nice, a little rain, with clean air — not the best time to visit.
#9 of 12 months in Sun Valley · #599 of 604 destinations to visit in June · comfort 28/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Sun Valley climate normals — June
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 54 mm / 2.1 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 13.4 h/day | |
| Daylight | 15.4 h | |
| Wind | 14 km/h / 9 mph | |
| Snowfall | 3.1 cm / 1.2 in | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sun Valley in June — FAQ
- Is June a good time to visit Sun Valley?
- June in Sun Valley: nice, a little rain, with clean air — not the best time to visit. It ranks #9 of 12 months for Sun Valley on SeasonMap's comfort score (28/100).
- What is the weather like in Sun Valley in June?
- In June, Sun Valley averages a daily high of 20.6°C and a low of 7°C, with about 53.9 mm of rain over roughly 12 rainy days.
- What is the air quality in Sun Valley in June?
- Sun Valley has a mean US Air Quality Index of about 45 in June.
- Does it snow in Sun Valley in June?
- Sun Valley sees roughly 3.1 cm of snowfall in June.