Tempe (AZ) monthly weather averages

Average daytime temperature

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

Tempe average temperature chart (Celsius) Tempe average temperature chart (Fahrenheit)
Average monthly temperatures in Tempe (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.4 21 23.3 28.2 33.5 38.8 40.4 39.2 36.2 30.6 23.3 18.7
°F 65.1 69.9 74 82.8 92.2 101.9 104.8 102.6 97.1 87 74 65.7

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.

Tempe monthly rainfall chart (mm) Tempe monthly rainfall chart (inches)
Average monthly rainfall in Tempe (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 21 20 24 7 4 2 22 29 21 17 19 26
inches 0.8 0.8 0.9 0.3 0.1 0.1 0.9 1.1 0.8 0.7 0.7 1
Rainy days 4 4 4 2 1 1 5 5 3 3 3 4

Average annual rainfall in Tempe: 133.3mm (52.5 inches)

Average daily sunshine

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

Tempe average daily sunshine chart
Average daily sunshine Tempe
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9 9.8 11 12.5 13.7 14.4 12.9 12.3 11.7 10.7 9.3 8.6

Day / night temperatures

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

Tempe average minimum / maximum temperatures (Celsius) Tempe average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Tempe (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.1 6 8.3 11.6 15.9 20.8 25.4 24.7 20.9 14.5 8.1 4.3
Max °C 18.8 21.4 23.7 28.7 33.9 39.3 40.8 39.6 36.6 31 23.7 19.1
Min °F 39.3 42.8 46.9 52.8 60.6 69.4 77.7 76.4 69.5 58 46.6 39.7
Max °F 52.5 56.7 60.8 68.2 76.8 86 91.6 89.8 83.7 72.9 60.6 53.1

Sea temperature

The graph below shows the average sea temperature.

Tempe average sea temperature chart (Celsius) Tempe average sea temperature chart (Fahrenheit)
Average sea temperature around Tempe in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.8 14.6 15 15.8 17.2 19 20.9 22 21.6 20 17.8 15.8
°F 58.6 58.3 59 60.4 63 66.2 69.7 71.5 70.9 68 64.1 60.5

Wind speed

The graph below shows the average wind speed.

Tempe average winspeed by month (km/h) Tempe average winspeed by month (mph)
Average wind speed in Tempe (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.

Tempe relative humidity averages
Average relative humidity in Tempe
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
51% 45% 39% 28% 23% 19% 33% 37% 37% 38% 44% 52%