San Bruno Weather in August

August in San Bruno typically sees daytime highs of 22°C (72°F) and nighttime lows of 14°C (57°F). Minimal rainfall is typical for this month.

Rainfall in San Bruno in August

Typically, you can expect about 2 days of rain this month, with 1 mm (0.04 in) on average. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in San Bruno in August

August is one of the better months to visit San Bruno. Expect 22°C (72°F) during the day and 14°C (57°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 Bruno in August

Expect a lot of sunshine this month, with about 288 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in San Bruno 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.