Santa Monica (CA) monthly weather averages

Average daytime temperature

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

Santa Monica average temperature chart (Celsius) Santa Monica average temperature chart (Fahrenheit)
Average monthly temperatures in Santa Monica (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.7 19.4 19.4 21 22.3 24.7 27.6 28 27.1 24.9 21.4 18.6
°F 65.6 66.9 66.9 69.8 72.1 76.5 81.7 82.4 80.9 76.9 70.5 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.

Santa Monica monthly rainfall chart (mm) Santa Monica monthly rainfall chart (inches)
Average monthly rainfall in Santa Monica (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 78 69 54 30 5 1 1 3 7 7 49 49
inches 3.1 2.7 2.1 1.2 0.2 0.1 0 0.1 0.3 0.3 1.9 1.9
Rainy days 5 5 6 3 1 1 0 1 2 2 4 5

Average daily sunshine

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

Santa Monica average daily sunshine chart
Average daily sunshine Santa Monica
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.4 8.3 8.9 10.5 9.9 10.5 12.2 11.7 10 8.9 7.6 7.3

Day / night temperatures

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

Santa Monica average minimum / maximum temperatures (Celsius) Santa Monica average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Santa Monica (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.9 8.8 9.4 10.8 12.7 14.9 16.8 17.4 16.6 14 10.4 7.7
Max °C 19 19.7 19.7 21.3 22.5 25 27.9 28.3 27.4 25.2 21.7 18.9
Min °F 46.1 47.8 48.8 51.4 54.9 58.7 62.2 63.2 61.9 57.2 50.6 45.9
Max °F 56.1 57.6 58.1 60.8 63.7 67.8 72.1 73 71.6 67.3 60.8 55.9

Sea temperature

The graph below shows the average sea temperature.

Santa Monica average sea temperature chart (Celsius) Santa Monica average sea temperature chart (Fahrenheit)
Average sea temperature around Santa Monica in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.4 14.3 14.3 14.3 15 16.1 17.8 18.6 18.6 17.9 16.6 15.1
°F 57.9 57.7 57.7 57.8 59 61.1 64 65.5 65.5 64.3 61.9 59.1

Wind speed

The graph below shows the average wind speed.

Santa Monica average winspeed by month (km/h) Santa Monica average winspeed by month (mph)
Average wind speed in Santa Monica (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 11 11 10
mph 7 8 8 9 9 9 8 8 7 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.

Santa Monica relative humidity averages
Average relative humidity in Santa Monica
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 67% 68% 66% 68% 70% 70% 71% 69% 68% 66% 65%

Other monthly averages

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Santa Monica weather stats

Santa Monica weather statistics
Hottest month: August 28°C 82.4°F
Driest month: July 1mm 0ins
Sunniest month: August 11.7hrs
Coldest month: December 18.6°C 65.5°F
Wettest month: January 78mm 3.1ins
Warmest sea: September 18.6°C 65.5°F
Map showing location of Santa Monica (34.01945, -118.49119)

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