Average Monthly Sunshine hours in Yountville (CA)
This graph shows the average number of hours per month that Yountville receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.
- On average, May is the sunniest month with 310 hours of sunshine.
- December has on average the lowest amount of sunshine with 160 hours.
Forecast: is it sunny in Yountville (CA)?
clear and no rain
broken clouds and no rain
clear and no rain