Average Monthly Sunshine in Clearlake (CA)

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

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Clearlake. Expect long, bright days with 310 hours in May and darker periods with just 160 hours in December. The total annual amount of sun is 0 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Clearlake. 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.

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

Clearlake 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.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

December, Clearlake’s wettest month, receives 0.5 mm of rainfall and has a maximum daytime temperature of 13°C. During the driest month August you can expect a temperature of 33°C.

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