Tustin (CA) monthly weather averages

Contents

Average daytime temperature

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

Tustin average temperature chart (Celsius) Tustin average temperature chart (Fahrenheit)
Average monthly temperatures in Tustin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.6 19.2 19.1 21 22.5 24.8 28.2 28.8 27.6 25.1 21.3 18.6
°F 65.4 66.5 66.3 69.9 72.4 76.7 82.7 83.9 81.7 77.2 70.4 65.5

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.

Tustin monthly rainfall chart (mm) Tustin monthly rainfall chart (inches)
Average monthly rainfall in Tustin (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 75 67 64 30 6 2 1 3 6 7 41 48
inches 3 2.6 2.5 1.2 0.2 0.1 0.1 0.1 0.2 0.3 1.6 1.9
Rainy days 5 5 6 3 1 1 0 1 2 2 4 5

Average annual rainfall in Tustin: 265.6mm (104.6 inches)

Average daily sunshine

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

Tustin average daily sunshine chart
Average daily sunshine Tustin
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.9 8.5 9.1 10.4 9.6 10.1 12 11.5 9.9 8.9 8 7.8

Day / night temperatures

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

Tustin average minimum / maximum temperatures (Celsius) Tustin average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Tustin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 5.5 6.3 7.1 8.5 11.1 13.3 15.5 16.1 14.7 11.8 8.2 5.5
Max °C 18.9 19.5 19.4 21.4 22.8 25.1 28.5 29.2 28 25.5 21.7 19
Min °F 41.9 43.3 44.7 47.2 51.9 55.9 59.9 60.9 58.4 53.2 46.7 41.8
Max °F 54 55.2 55.8 58.8 62.4 66.6 71.6 72.7 70.3 65.5 58.8 54

Sea temperature

The graph below shows the average sea temperature.

Tustin average sea temperature chart (Celsius) Tustin average sea temperature chart (Fahrenheit)
Average sea temperature around Tustin in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.9 14.9 15.1 15.6 16.6 18 19.8 20.5 20.4 19.3 17.5 15.7
°F 58.8 58.8 59.3 60 61.8 64.4 67.6 69 68.8 66.7 63.5 60.2

Wind speed

The graph below shows the average wind speed.

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

Tustin relative humidity averages
Average relative humidity in Tustin
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 65% 65% 63% 65% 67% 67% 68% 67% 66% 65% 65%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Tustin weather stats

Tustin weather statistics
Hottest month: August 28.8°C 83.8°F
Driest month: July 1mm 0ins
Sunniest month: August 11.5hrs
Coldest month: January 18.6°C 65.5°F
Wettest month: January 75mm 3ins
Warmest sea: August 20.5°C 68.9°F
Map showing location of Tustin (33.74585, -117.82617) Tustin map pin © Google

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