Weather in Phoenix in August

General weather information about Phoenix

Average annual temperature is 17.5 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: -3.4 °C

Number of sunny days: 193 days

Number of rainy days: 172 days

Look at detailed online map of Phoenix

* Weather data for Phoenix United States is based on climate observations for 2026 year

Phoenix air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.825.627.329.731.433.636.136.734.628.326.221.9
Average daytime temperature (°C)14.718.619.823.025.029.033.632.828.923.417.514.3
Average temperature (°C)9.512.813.616.819.223.227.326.622.517.411.79.1
Average night temperature (°C)5.68.48.211.214.518.122.121.817.512.57.45.0
Absolute minimum temperature (°C)-3.2-1.5-0.94.58.114.319.919.414.17.5-1.9-3.4

Phoenix monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.97.38.29.09.410.911.810.710.18.87.36.4
Precipitation (mm)14110012712815114038129336247111
Sunny days191419131011111021242120
Rainy days121412172119202197911
Snow days000000000000

Phoenix - weather forecast by months

Phoenix weather in januaryPhoenix weather in februaryPhoenix weather in marchPhoenix weather in aprilPhoenix weather in mayPhoenix weather in junePhoenix weather in julyPhoenix weather in augustPhoenix weather in septemberPhoenix weather in octoberPhoenix weather in novemberPhoenix weather in december

Best time to visit Phoenix:

The best time to visit Phoenix during the most sunny months:

  • July — 11.8(h)

The largest precipitation sum in Phoenix is at

  • January — 141(mm)
  • March — 127(mm)
  • April — 128(mm)
  • May — 151(mm)
  • June — 140(mm)
  • August — 129(mm)

    • Weather forecast in the closest to Phoenix admin centers

    Weather forecast in the closest towns to Phoenix

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    Frequently asked questions

    When is the best time to visit Phoenix?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Phoenix.
    What is the weather like in Phoenix?
    See average temperature, rainfall and daylight hours for Phoenix by month in the table above.
    How many sunny days does Phoenix have?
    The monthly weather statistics above show sunshine and rainfall patterns for Phoenix throughout the year.