Gilbert (AZ) monthly weather averages

Average daytime temperature

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

Gilbert average temperature chart (Celsius) Gilbert average temperature chart (Fahrenheit)
Average monthly temperatures in Gilbert (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.1 20.9 23.3 28.1 33.4 38.8 40.5 39 36.1 30.4 23.2 18.4
°F 64.7 69.6 73.9 82.6 92 101.9 104.8 102.3 96.9 86.7 73.7 65.1

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.

Gilbert monthly rainfall chart (mm) Gilbert monthly rainfall chart (inches)
Average monthly rainfall in Gilbert (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 22 22 27 8 4 2 23 30 21 18 22 31
inches 0.9 0.9 1 0.3 0.2 0.1 0.9 1.2 0.8 0.7 0.8 1.2
Rainy days 4 4 4 2 1 1 5 5 4 3 3 4

Average annual rainfall in Gilbert: 151.167mm (59.5 inches)

Average daily sunshine

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

Gilbert average daily sunshine chart
Average daily sunshine Gilbert
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9 9.8 10.9 12.5 13.7 14.4 12.8 12.2 11.6 10.7 9.3 8.6

Day / night temperatures

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

Gilbert average minimum / maximum temperatures (Celsius) Gilbert average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Gilbert (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.5 5.4 7.8 10.9 15.2 20.3 25 24 20.2 13.8 7.5 3.7
Max °C 18.5 21.3 23.7 28.6 33.8 39.3 40.9 39.4 36.5 30.8 23.6 18.8
Min °F 38.3 41.6 46 51.5 59.4 68.5 76.9 75.2 68.3 56.8 45.4 38.6
Max °F 51.8 55.9 60.3 67.5 76.1 85.6 91.2 89.1 82.9 72.1 59.9 52.2

Sea temperature

The graph below shows the average sea temperature.

Gilbert average sea temperature chart (Celsius) Gilbert average sea temperature chart (Fahrenheit)
Average sea temperature around Gilbert 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.

Gilbert average winspeed by month (km/h) Gilbert average winspeed by month (mph)
Average wind speed in Gilbert (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 13 12 11 10
mph 7 7 8 9 9 8 9 8 8 7 7 7

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.

Gilbert relative humidity averages
Average relative humidity in Gilbert
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
52% 45% 39% 29% 23% 20% 34% 38% 38% 38% 45% 53%