Average percent of sunshine in South San Francisco (CA)
The mean percent of sunhours during the day in South San Francisco (California), the United States of America.
- The sun shines on average 78.0% in April making it the most sunny month.
- On average, December has the lowest percentage of sunshine with 54.0%.
Forecast: is it sunny in South San Francisco (CA)?
partly cloudy and chance of rain
partly cloudy and chance of rain
overcast and heavy rain