San Francisco Weather in August
United States · 30-year monthly averages
🌟 Great time to visit
August in San Francisco is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 14°C (56°F). Expect roughly 1mm of precipitation spread over about 0 rainy days, and rain is rare.
Avg high
23°C
73°F
Avg low
14°C
56°F
Rainfall
1mm
very dry
Rainy days
0
days with ≥1mm
🎒 What to pack
- light layers
- comfortable walking shoes
August vs the rest of the year
FAQ
- How hot is San Francisco in August?
- August in San Francisco is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 14°C (56°F). Expect roughly 1mm of precipitation spread over about 0 rainy days, and rain is rare.
- Does it rain a lot in San Francisco in August?
- San Francisco sees around 1mm of precipitation in August on average — very dry by global standards.
- Is August a good time to visit San Francisco?
- August is one of the best months to visit San Francisco — comfortable temperatures and manageable rainfall.