Average Monthly Sunshine in Healdsburg (CA)

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

Monthly hours of sunshine

Sunshine in Healdsburg 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 0 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Healdsburg. While May receives considerable daily sunshine with up to 10.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.3 hours of sunlight per day.

Healdsburg’s total hours of sunshine compared to other major cities

Healdsburg enjoys an average of 0 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.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

December, Healdsburg’s wettest month, receives 0.4 mm of rainfall and has a maximum daytime temperature of 14°C. During the driest month August you can expect a temperature of 29°C.

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