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When to go · Phoenix

Phoenix in July

Avoid month. Listed as a month to avoid: Jun–Aug (extreme heat), late Jul–Sep monsoon storms.

Key facts

Verdict
Avoid
Temperature
41°C (106°F) / 29°C (84°F)
average high / low
Rain days
4
Crowds
High
United States overall
Prices
High
United States overall

Verdict

AvoidBest and avoid months for Phoenix

Listed as a month to avoid: Jun–Aug (extreme heat), late Jul–Sep monsoon storms.

Is another month better than July?

July is rated avoid. These months rate higher:

Weather in July

Long-term averages
  • PhoenixHighs around 41 °C (106 °F), lows around 29 °C (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 (104–113 °F) in the low desert, and July–September monsoon storms bring flash floods in canyons.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Independence Day big impact

    4 Jul · United States

    Fireworks and parades; parks, beaches and flights busy.

Crowds and prices

Crowds · United States overall
High
Prices · United States overall
High

United States overall: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Phoenix, side by side.

  • Verdict

    Jul: Avoid

    Jan: Great (better)

  • Daytime high

    Jul: 41 °C (106 °F)

    Jan: 20 °C (68 °F)

  • Night low

    Jul: 29 °C (84 °F)

    Jan: 8 °C (46 °F)

  • Rain days

    Jul: 4

    Jan: 4

  • Crowds

    Jul: High

    Jan: Low

  • Prices

    Jul: High

    Jan: Low

  • Festivals listed

    Jul: 1

    Jan: 0

July: Listed as a month to avoid: Jun–Aug (extreme heat), late Jul–Sep monsoon storms.

January: Inside Phoenix's best window: Nov–Apr.

Phoenix: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across United States in July →