San Tan Valley (AZ) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at San Tan Valley

San Tan Valley average temperature chart (Celsius) San Tan Valley average temperature chart (Fahrenheit)
Average monthly temperatures in San Tan Valley (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18 20.8 23.2 28.3 33.3 38.9 40.4 38.9 36 30.3 23.2 18.1
°F 64.4 69.4 73.8 82.9 92 102 104.7 102.1 96.7 86.5 73.7 64.6

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.

San Tan Valley monthly rainfall chart (mm) San Tan Valley monthly rainfall chart (inches)
Average monthly rainfall in San Tan Valley (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 27 24 30 9 5 3 27 37 21 21 23 34
inches 1 0.9 1.2 0.4 0.2 0.1 1.1 1.5 0.8 0.8 0.9 1.3
Rainy days 4 4 4 2 1 1 6 6 4 3 3 4

Average annual rainfall in San Tan Valley: 181.367mm (71.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in San Tan Valley

San Tan Valley average daily sunshine chart
Average daily sunshine San Tan Valley
  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 12.7 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.

San Tan Valley average minimum / maximum temperatures (Celsius) San Tan Valley average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in San Tan Valley (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.9 4.9 7.2 10.3 14.8 20.3 24.9 23.7 19.7 13.3 6.9 2.9
Max °C 18.4 21.2 23.6 28.7 33.8 39.4 40.8 39.3 36.4 30.7 23.6 18.5
Min °F 37.1 40.7 45 50.5 58.6 68.5 76.7 74.7 67.4 55.9 44.3 37.2
Max °F 51.1 55.4 59.7 67.1 75.7 85.6 91 88.7 82.4 71.6 59.4 51.3

Sea temperature

The graph below shows the average sea temperature.

San Tan Valley average sea temperature chart (Celsius) San Tan Valley average sea temperature chart (Fahrenheit)
Average sea temperature around San Tan Valley 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.

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

San Tan Valley relative humidity averages
Average relative humidity in San Tan Valley
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
52% 45% 39% 29% 23% 20% 35% 40% 38% 38% 45% 53%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

San Tan Valley weather stats

San Tan Valley weather statistics
Hottest month: July 40.4°C 104.7°F
Driest month: June 3mm 0.1ins
Sunniest month: June 14.4hrs
Coldest month: January 18°C 64.4°F
Wettest month: August 37mm 1.5ins
Warmest sea: August 22°C 71.6°F
Map showing location of San Tan Valley (33.1911, -111.528) San Tan Valley map pin © Google

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