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)?

Fri   Nov 22

16°C | 12°C

S 25 km/h

44 mm

overcast and heavy rain

hourly forecast

Sat   Nov 23

15°C | 6°C

W 18 km/h

8.7 mm

partly cloudy and rain

hourly forecast

Sun   Nov 24

15°C | 5°C

SE 14 km/h

12 mm

overcast and heavy rain

hourly forecast

5-Day Forecast 10-Day Forecast