When to go · Phoenix
Phoenix in August
Avoid month. Listed as a month to avoid: Jun–Aug (extreme heat), late Jul–Sep monsoon storms.
Key facts
- Verdict
- Avoid
- Temperature
- 41°C106°F / 29°C84°F
- average high / low
- Rain days
- 4
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jun–Aug (extreme heat), late Jul–Sep monsoon storms.
Weather in August
- PhoenixHighs around 41 °C, lows around 29 °C, rain on about 4 daysHighs around 106 °F, lows around 84 °F, rain on about 4 days
- Desert Southwest, United States · Las Vegas, Phoenix, Grand Canyon, Zion, Bryce, Death Valleyhot
Spring and autumn are park season; June–August tops 40–45 °C in the low desert, and July–September monsoon storms bring flash floods in canyons.Spring and autumn are park season; June–August tops 104–113 °F in the low desert, and July–September monsoon storms bring flash floods in canyons.
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