When to go · San Luis
San Luis in August
Avoid month. Listed as a month to avoid: Jun–Sep (extreme heat, 40 °C (104 °F)+).Avoid month. Listed as a month to avoid: Jun–Sep (extreme heat, 104 °F (40 °C)+).
Key facts
- Verdict
- Avoid
- Temperature
- 42°C (108°F)108°F (42°C) / 26°C (79°F)79°F (26°C)
- average high / low
- Rain days
- 3
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jun–Sep (extreme heat, 40 °C (104 °F)+).Listed as a month to avoid: Jun–Sep (extreme heat, 104 °F (40 °C)+).
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- San LuisHighs around 42 °C (108 °F), lows around 26 °C (79 °F), rain on about 3 daysHighs around 108 °F (42 °C), lows around 79 °F (26 °C), rain on about 3 days
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 Luis, side by side.
Verdict
Aug: Avoid
Jan: Great (better)
Daytime high
Aug: 42 °C (108 °F)108 °F (42 °C)
Jan: 21 °C (70 °F)70 °F (21 °C)
Night low
Aug: 26 °C (79 °F)79 °F (26 °C)
Jan: 6 °C (43 °F)43 °F (6 °C)
Rain days
Aug: 3
Jan: 3
Crowds
Aug: High
Jan: Low
Prices
Aug: High
Jan: Low
Festivals listed
Aug: 0
Jan: 0
August: Listed as a month to avoid: Jun–Sep (extreme heat, 40 °C+).
January: Inside San Luis's best window: Nov–Mar.
San Luis: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen