San Francisco Weather in August

August is one of the excellent months to visit San Francisco, with daytime temperatures of 22°C (72°F) and lows of 14°C (57°F) at night. Rainfall is minimal, averaging just 0.7 mm (0.03 in) for the month.

Rainfall in San Francisco in August

You can expect rain on around a single day based on historical patterns, with 0.7 mm (0.03 in) average for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in San Francisco in August

August is a good time to be in San Francisco. Days are excellent, reaching 22°C (72°F), with nights around 14°C (57°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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 San Francisco in August

The city usually sees around 288 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in San Francisco in August

Wind speeds average 6 m/s (12 knots) during August. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in August

The water temperature is 14°C (57°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

So this is a great month to visit if you prefer dry days with pleasant temperatures.