Yountville (CA) Sunshine Hours by Month
Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Yountville, California, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.
Monthly hours of sunshine
Sunshine in Yountville varies greatly throughout the year. The sunniest month, May, reaches an impressive 310 hours, while December, the darkest month, offers only 160 hours. The total annual amount of sun is 3042 hours.
Daily hours of sunshine
This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day.
Average percent of sunshine
On average the sun shines 79% of the time during the day in April, the highest percentage of any month. December has the lowest percentage at 55%.
Yountville vs Major Cities: Sunshine Compared
Yountville enjoys an average of 3042 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.
In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.
Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.
In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.
Related Climate Data for Yountville
December, Yountville’s wettest month, receives 0.2 mm (0.01 in) of rainfall and has a maximum daytime temperature of 14°C (57°F). During the driest month August you can expect a temperature of 31°C (88°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Yountville Precipitation page.
