When to go · San Bruno
San Bruno in August
Mixed month. Outside the best window (Apr–Jun, Sep–Oct). Across United States: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
Key facts
- Verdict
- Mixed
- Temperature
- 21°C (70°F)70°F (21°C) / 13°C (55°F)55°F (13°C)
- average high / low
- Rain days
- 1
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Outside the best window (Apr–Jun, Sep–Oct). Across United States: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
Is another month better than August?
August is rated mixed. These months rate higher:
Weather in August
- San BrunoHighs around 21 °C (70 °F), lows around 13 °C (55 °F), rain on about 1 dayHighs around 70 °F (21 °C), lows around 55 °F (13 °C), rain on about 1 day
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in San Bruno, side by side.
Verdict
Aug: Mixed
Apr: Great (better)
Daytime high
Aug: 21 °C (70 °F)70 °F (21 °C)
Apr: 17 °C (63 °F)63 °F (17 °C)
Night low
Aug: 13 °C (55 °F)55 °F (13 °C)
Apr: 9 °C (48 °F)48 °F (9 °C)
Rain days
Aug: 1 (better)
Apr: 6
Crowds
Aug: High
Apr: Medium
Prices
Aug: High
Apr: Medium
Festivals listed
Aug: 0
Apr: 1
August: Outside the best window (Apr–Jun, Sep–Oct). Across United States: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
April: Inside San Bruno's best window: Apr–Jun, Sep–Oct.
San Bruno: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.