Sonoma (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 Sonoma, California, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Sonoma, timing is key. In May, you can enjoy up to 310 hours of sunshine, while the shorter days of December provide just 160 hours. The total annual amount of sun is 3042 hours.

Daily hours of sunshine

For those who appreciate different seasons, Sonoma serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 5.3 hours of daily sunlight.

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%.

Sonoma vs Major Cities: Sunshine Compared

Sonoma enjoys an average of 3042 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

Related Climate Data for Sonoma

December, Sonoma’s wettest month, receives 0.4 mm (0.02 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 29°C (84°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Sonoma Precipitation page.