Phoenix (AZ) monthly weather averages

  • Average daytime temperature

    The bar chart below shows the average monthly peak daytime temperatures at Phoenix

    Phoenix average temperature chart Phoenix average temperature chart
    Average monthly temperatures in Phoenix (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 18.7 21.3 23.9 28.9 33.9 39.4 40.9 39.6 36.5 30.9 23.6 18.8
    °F 65.7 70.4 75.1 84 93 102.9 105.6 103.3 97.8 87.6 74.5 65.8

    Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Phoenix monthly rainfall chart Phoenix monthly rainfall chart
    Average monthly rainfall in Phoenix (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 21 18 22 6 3 2 20 29 21 16 17 22
    inches 0.8 0.7 0.9 0.2 0.1 0.1 0.8 1.2 0.8 0.6 0.7 0.9
    Rainy days 4 4 4 2 1 1 4 5 3 3 3 4
  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in Phoenix

    Phoenix average daily sunshine chart
    Average daily sunshine Phoenix
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 9 9.8 11 12.6 13.7 14.5 12.9 12.4 11.7 10.7 9.3 8.7
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Phoenix average minimum / maximum temperatures Phoenix average minimum / maximum temperatures
    Maximum and minimum daily temperatures in Phoenix (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 4.4 6.3 8.5 11.9 16.5 21.4 26.2 25.3 21.5 14.9 8.4 4.5
    Max °C 19.1 21.7 24.3 29.3 34.3 39.8 41.3 40 36.9 31.3 24 19.2
    Min °F 39.8 43.3 47.3 53.4 61.7 70.5 79.1 77.5 70.7 58.8 47.1 40
    Max °F 53.1 57.2 61.5 69.1 77.7 87.1 92.7 90.7 84.6 73.6 61.2 53.2
  • Sea temperature

    The graph below shows the average sea temperature.

    Phoenix average sea temperature chart Phoenix average sea temperature chart
    Average sea temperature around Phoenix in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 14.9 14.7 15.1 15.9 17.3 19.1 21.1 22.2 21.9 20.3 18.1 16
    °F 58.8 58.5 59.2 60.7 63.2 66.5 70 71.9 71.4 68.5 64.5 60.7
  • Wind speed

    The graph below shows the average wind speed.

    Phoenix average winspeed by month Phoenix average winspeed by month
    Average wind speed in Phoenix (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 10 12 13 14 14 13 14 13 12 11 10 10
    mph 7 7 8 9 9 8 9 8 8 7 7 6

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average relative humidity.

    Phoenix relative humidity averages
    Average relative humidity in Phoenix
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    51% 44% 39% 28% 23% 20% 33% 37% 37% 37% 44% 52%

Other monthly averages

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Phoenix weather stats

Phoenix weather statistics
Hottest month: July 40.9°C 105.6°F
Driest month: June 2mm 0.1ins
Sunniest month: June 14.5hrs
Coldest month: January 18.7°C 65.7°F
Wettest month: August 29mm 1.1ins
Warmest sea: August 22.2°C 72°F
Map showing location of Phoenix (33.44838, -112.07404)

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