Average Monthly Sunshine in Santa Rosa

The graphs on this page shows the average number of hours per month and per day that Santa Rosa receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Sunshine in Santa Rosa varies greatly throughout the year. The sunniest month, April, reaches an impressive 261 hours, while September, the darkest month, offers only 132 hours. The total annual amount of sun is 2116 hours.

Daily hours of sunshine

For those who appreciate different seasons, Santa Rosa serves as an ideal destination. Expect longer, more sun-filled days in April with an average of 8.7 hours of sunshine daily, and embrace the darker days in September, offering only 4.4 hours of daily sunlight.

Santa Rosa’s total hours of sunshine compared to other major cities

Santa Rosa enjoys an average of 2116 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.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Other climate information

July, Santa Rosa’s wettest month, receives 203 mm of rainfall and has a maximum daytime temperature of 31°C. During the driest month February you can expect a temperature of 30°C.

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