When to go · San Bernardino
San Bernardino in August
Avoid month. Listed as a month to avoid: Jul–Aug (95–100°F highs), and Santa Ana wind days.
Key facts
- Verdict
- Avoid
- Temperature
- 36°C97°F / 18°C64°F
- average high / low
- Rain days
- 1
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
AvoidBest and avoid months for San Bernardino
Listed as a month to avoid: Jul–Aug (95–100°F highs), and Santa Ana wind days.
Weather in August
- San BernardinoHighs around 36 °C, lows around 18 °C, rain on about 1 dayHighs around 97 °F, lows around 64 °F, 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.
What to pack
- Light, breathable clothes, a sun hat and sunscreen