Folsom (CA) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Folsom, California, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Folsom. Expect long, bright days with 440 hours in July and darker periods with just 141 hours in December. The total annual amount of sun is 3602 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 14.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 98% of the time during the day in July, the highest percentage of any month. January has the lowest percentage at 48%.

Folsom enjoys an average of 3602 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.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

December, Folsom’s wettest month, receives 0.1 mm (0 in) of rainfall and has a maximum daytime temperature of 13°C (55°F). During the driest month August you can expect a temperature of 34°C (93°F).

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.