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
    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.

    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

    Average daily sunshine Phoenix
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 9 9.9 11 12.6 13.8 14.5 12.9 12.3 11.7 10.7 9.3 8.7
  • Day / night temperatures

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

    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.

    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.

    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.

    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

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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