South San Francisco Weather in August

August in South San Francisco sees daytime temperatures around 22°C (72°F) and lows of 14°C (57°F) at night. The excellent weather makes it a good time to visit.

Rainfall in South San Francisco in August

Historically, the month has about a single day of rain, averaging 0.7 mm (0.03 in) in total. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in South San Francisco in August

August in South San Francisco is generally excellent, with days reaching 22°C (72°F) and nights settling around 14°C (57°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in South San Francisco in August

There are approximately 288 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in South San Francisco in August

August sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in August

The water is 14°C (57°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for South San Francisco.