Santa Ana (CA) monthly weather averages

Average daytime temperature

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

Santa Ana average temperature chart (Celsius) Santa Ana average temperature chart (Fahrenheit)
Average monthly temperatures in Santa Ana (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.9 19.5 19.4 21.2 22.1 23.6 26.4 27.3 26.7 24.9 21.6 18.8
°F 66 67 67 70.1 71.8 74.5 79.6 81.2 80.1 76.8 70.8 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.

Santa Ana monthly rainfall chart (mm) Santa Ana monthly rainfall chart (inches)
Average monthly rainfall in Santa Ana (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 66 55 49 24 4 1 1 2 5 5 37 40
inches 2.6 2.2 1.9 0.9 0.2 0 0 0.1 0.2 0.2 1.5 1.6
Rainy days 5 5 6 3 1 0 0 0 1 2 4 5

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Santa Ana

Santa Ana average daily sunshine chart
Average daily sunshine Santa Ana
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.9 8.5 9.1 10.5 9.5 9.9 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.

Santa Ana average minimum / maximum temperatures (Celsius) Santa Ana average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Santa Ana (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 6.6 7.7 8.5 10 12.3 14.4 16.1 16.8 15.6 13 9.6 6.7
Max °C 19.2 19.8 19.7 21.5 22.4 23.9 26.7 27.6 27 25.2 21.9 19.1
Min °F 43.9 45.8 47.3 49.9 54.1 57.8 61 62.2 60.1 55.4 49.2 44.1
Max °F 55.2 56.7 57.4 60.3 63.1 66.4 70.5 72 70.3 66.4 60.3 55.2

Sea temperature

The graph below shows the average sea temperature.

Santa Ana average sea temperature chart (Celsius) Santa Ana average sea temperature chart (Fahrenheit)
Average sea temperature around Santa Ana 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.

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

Santa Ana relative humidity averages
Average relative humidity in Santa Ana
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 67% 67% 65% 67% 69% 68% 69% 69% 67% 66% 65%

Other monthly averages

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Santa Ana weather stats

Santa Ana weather statistics
Hottest month: August 27.3°C 81.1°F
Driest month: July 1mm 0ins
Sunniest month: August 11.5hrs
Coldest month: January 18.9°C 66°F
Wettest month: January 66mm 2.6ins
Warmest sea: August 20.5°C 68.9°F
Map showing location of Santa Ana (33.74557, -117.86783)

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