Average monthly hours of sunshine in Yountville (CA)
The monthly total of sunhours over the year in Yountville (California), the United States of America.
- On average, May is the sunniest month with 310 hours of sunshine.
- December has on average the lowest amount of sunshine with 160 hours.
Weather Forecasts for Yountville (CA)
clear and no rain
almost clear and no rain
partly cloudy and rain