San Francisco

Avg weather in August
32°
SUN
13 Hrs per day
RAIN
14 mm per month
HUMIDITY
83 % avg
WIND
8 Mph avg

Intro

What’s the weather like in San Francisco in August?

In San Francisco, August is a warm and sunny month with mild temperatures and almost no chance of rain. It can be quite humid at this time of year so make sure you pack light clothing, stay hydrated by drinking plenty of water and seek shade during the hottest part of the day. Fog sometimes descends on the Golden Gate Bridge and San Francisco Bay, which makes for a great photo opportunity.

Averages

On average, San Francisco experiences a daytime temperature of 14°C in August, with highs of 22°C in the hottest part of the afternoon. Very little rain is expected in this month, but any wet weather will likely be light and short-lived. With 12 hours of sunshine each day, the city is picture-perfect for long periods at this time of year. If you’re visiting the bay, the sea is still a brisk 15°C. This is the warmest the waters will get though, so if you want to swim it’s worth braving it while the summer sun is shining.

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