Average Monthly Sunshine in Folsom (CA)

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

Monthly hours of sunshine

Sunshine in Folsom varies greatly throughout the year. The sunniest month, July, reaches an impressive 440 hours, while December, the darkest month, offers only 141 hours. The total annual amount of sun is 3600 hours.

Daily hours of sunshine

For those who appreciate different seasons, Folsom serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 14.7 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

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

Folsom enjoys an average of 3600 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.

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

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

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

Other climate information

December, Folsom’s wettest month, receives 0.1 mm of rainfall and has a maximum daytime temperature of 13°C. During the driest month August you can expect a temperature of 34°C.

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