San Bernardino (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 San Bernardino, California, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

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 3279 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 enjoys an average of 3279 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

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

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

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

December, San Bernardino’s wettest month, receives 3.9 mm (0.2 in) of rainfall and has a maximum daytime temperature of 19°C (66°F). During the driest month June you can expect a temperature of 32°C (90°F).

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.