When to go · South Valley
South Valley in August
Avoid month. Listed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C (95–104 °F)), Dec–Jan rain days.Avoid month. Listed as a month to avoid: Jul–Sep (valley heat, often 95–104 °F (35–40 °C)), Dec–Jan rain days.
Key facts
- Verdict
- Avoid
- Temperature
- 35°C (95°F)95°F (35°C) / 18°C (64°F)64°F (18°C)
- average high / low
- Rain days
- 0
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C (95–104 °F)), Dec–Jan rain days.Listed as a month to avoid: Jul–Sep (valley heat, often 95–104 °F (35–40 °C)), Dec–Jan rain days.
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- South ValleyHighs around 35 °C (95 °F), lows around 18 °C (64 °F), rain on about 0 daysHighs around 95 °F (35 °C), lows around 64 °F (18 °C), rain on about 0 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 South Valley, side by side.
Verdict
Aug: Avoid
Mar: Great (better)
Daytime high
Aug: 35 °C (95 °F)95 °F (35 °C)
Mar: 22 °C (72 °F)72 °F (22 °C)
Night low
Aug: 18 °C (64 °F)64 °F (18 °C)
Mar: 9 °C (48 °F)48 °F (9 °C)
Rain days
Aug: 0 (better)
Mar: 5
Crowds
Aug: High
Mar: Medium
Prices
Aug: High
Mar: Medium
Festivals listed
Aug: 0
Mar: 2
August: Listed as a month to avoid: Jul–Sep (valley heat, often 35–40 °C), Dec–Jan rain days.
March: Inside South Valley's best window: Mar–May, Oct–Nov.
South Valley: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen