Sun Valley weather
At 3:45 PM local time it was rain and 9°C (49°F). Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (6.5 mm total). Best months for weather: May–Oct. Sun Valley sits 1441 m (4,728 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Sun Valley, Nevada, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 37%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (6.5 mm total)
Daily Forecast
Best Time to Visit
Peak season May–OctOff season Nov–Mar
About Sun Valley weather
Is it raining in Sun Valley right now?
Yes. It’s rain and 9° right now. Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (6.5 mm total).
What’s the weather like in Sun Valley this week?
Over the next 7 days, expect highs of 9–15° and lows of 1–7°. Rain is likely on 2 of 7 days (Saturday, Sunday). The driest day looks like Monday.
Has it been raining in Sun Valley lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Sun Valley?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Sun Valley weather by month
When is the best time to visit Sun Valley?
Based on weather alone, the best time to visit Sun Valley is May–Oct, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 3°C (37°F) in December to 30°C (87°F) in July.
What is the rainiest month in Sun Valley?
December is the wettest month, with about 103 mm (4.1 in) of rain on average. August is the driest, with about 6 mm (0.2 in).
What is the hottest month in Sun Valley?
July is the warmest, with average highs of 30°C (87°F) and lows of 13°C (56°F). December is the coolest, with highs of 3°C (37°F) and lows of -6°C (22°F).
Does Sun Valley have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 103 mm (4.1 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months