Average Monthly Sunshine hours in South San Francisco (CA)
This graph shows the average number of hours per month that South San Francisco receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.
- On average, May is the sunniest month with 324 hours of sunshine.
- December has on average the lowest amount of sunshine with 160 hours.
- On average, the total annual amount of sun is 3072 hours.
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