Weather in サンフランシスコ in 8月

Climate normals based on 10 years of historical data for サンフランシスコ, アメリカ.

Average high

21°C

Average low

14°C

Rainfall

1 mm

0 rainy days

Sunshine

8.0h/day

湿度

75%

Sea temperature

15.5°C

How Hot Is サンフランシスコ in 8月?

サンフランシスコ basks in warm days: 21°C highs, 14°C lows, daily average 17°C.

Sun and warmth combine in August: 8.0h of direct sun, sun up between 6:25 am and 8:00 pm.

Rain is virtually unheard of in サンフランシスコ this month — only about 1mm falls over 0 days.

Tropical-style humidity defines サンフランシスコ's August: 75% on average, with constant mugginess.

The water stays cold off サンフランシスコ in August — averaging around 15.5°C, brisk for most swimmers.

Wind picks up in サンフランシスコ during August — averaging 21 kph, with gustier afternoons.

Expect a mix of sunny and cloudy stretches: 35% average cloud cover in サンフランシスコ.