San Francisco Sunshine Hours by Month
In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in San Francisco, Spain. 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 San Francisco. Expect long, bright days with 348 hours in July and darker periods with just 164 hours in December. The total annual amount of sun is 2919 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 11.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.5 hours of sunlight per day.
Average percent of sunshine
On average the sun shines 80% of the time during the day in August, the highest percentage of any month. March has the lowest percentage at 52%.
San Francisco vs Major Cities: Sunshine Compared
San Francisco enjoys an average of 2919 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.
Manchester, UK, experiences just around 1420 hours of sunshine annually.
The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.
In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.
Related Climate Data for San Francisco
December, San Francisco’s wettest month, receives 4.9 mm (0.2 in) of rainfall and has a maximum daytime temperature of 17°C (63°F). During the driest month July you can expect a temperature of 28°C (82°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our San Francisco Precipitation page.