When to go · San Francisco

San Francisco in August

Avoid month. Listed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).

Key facts

Verdict: Avoid
Temperature: 22°C (72°F)72°F (22°C) / 15°C (59°F)59°F (15°C); average high / low
Rain days: 0
Crowds: High; United States overall
Prices: High; United States overall

Plan around it

Verdict

AvoidBest and avoid months for San Francisco

Listed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).

August is rated avoid. These months rate higher:

Long-term averages

San FranciscoHighs around 22 °C (72 °F), lows around 15 °C (59 °F), rain on about 0 daysHighs around 72 °F (22 °C), lows around 59 °F (15 °C), rain on about 0 days
California coast, United States · San Francisco, Los Angeles, San Diego, Big Surbest weather
Mild all year; San Francisco is foggy and cool in summer; wildfire smoke possible June–November; winter storms can close Highway 1 at Big Sur.

United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.

Weather, crowds and prices for any two months in San Francisco, side by side.

First month

Second month

August: Listed as a month to avoid: Jun–Aug (foggy/windy), Jan–Feb (rainy).

September: Inside San Francisco's best window: Sep–Oct.

San Francisco: figures are long-term averages from this guide, not a forecast.

Nothing unusual for the weather this month.