Rohnert Park (CA) Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Rohnert Park, California, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Rohnert Park 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

For those who appreciate different seasons, Rohnert Park 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%.

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

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

December, Rohnert Park’s wettest month, receives 4.1 mm (0.2 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 27°C (81°F).

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