Average Monthly Sunshine in San Bernardino (CA)

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

Monthly hours of sunshine

Seasonal sunshine in San Bernardino varies. It peaks at 369 hours in July and drops to 198 hours in January. The total annual amount of sun is 3277 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in San Bernardino. While July receives considerable daily sunshine with up to 12.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.6 hours of sunlight per day.

San Bernardino’s total hours of sunshine compared to other major cities

San Bernardino enjoys an average of 3277 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.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer 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, San Bernardino’s wettest month, receives 3.9 mm of rainfall and has a maximum daytime temperature of 19°C. During the driest month June you can expect a temperature of 32°C.

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