San Clemente (CA) monthly weather averages

Contents

Average daytime temperature

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

San Clemente average temperature chart (Celsius) San Clemente average temperature chart (Fahrenheit)
Average monthly temperatures in San Clemente (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.1 18.5 18.4 20 21.3 23 25.7 26.5 25.8 23.8 20.6 18.1
°F 64.5 65.4 65 68.1 70.3 73.4 78.3 79.7 78.4 74.9 69 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 Clemente monthly rainfall chart (mm) San Clemente monthly rainfall chart (inches)
Average monthly rainfall in San Clemente (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 64 58 57 26 5 2 1 2 6 6 38 45
inches 2.5 2.3 2.2 1 0.2 0.1 0 0.1 0.2 0.2 1.5 1.8
Rainy days 6 5 6 4 1 1 0 1 1 2 4 5

Average annual rainfall in San Clemente: 224.434mm (88.4 inches)

Average daily sunshine

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

San Clemente average daily sunshine chart
Average daily sunshine San Clemente
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.1 8.6 9.1 10.3 9.4 9.7 11.6 11.2 9.7 8.8 8.1 8

Day / night temperatures

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

San Clemente average minimum / maximum temperatures (Celsius) San Clemente average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in San Clemente (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 6.7 7.4 8.2 9.7 12.1 14.2 16.3 17.1 15.8 13.1 9.4 6.6
Max °C 18.4 18.8 18.6 20.3 21.5 23.2 26 26.8 26.1 24.1 20.9 18.4
Min °F 44 45.3 46.8 49.5 53.8 57.6 61.3 62.7 60.4 55.6 48.8 43.9
Max °F 54.5 55.6 56.1 59 62.2 65.7 70 71.4 69.6 65.5 59.2 54.5

Sea temperature

The graph below shows the average sea temperature.

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

San Clemente average winspeed by month (km/h) San Clemente average winspeed by month (mph)
Average wind speed in San Clemente (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 12 14 14 14 14 14 13 13 12 11 10
mph 7 8 9 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 Clemente relative humidity averages
Average relative humidity in San Clemente
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 66% 66% 65% 67% 69% 69% 70% 69% 67% 66% 65%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

San Clemente weather stats

San Clemente weather statistics
Hottest month: August 26.5°C 79.7°F
Driest month: July 1mm 0ins
Sunniest month: August 11.2hrs
Coldest month: January 18.1°C 64.6°F
Wettest month: January 64mm 2.5ins
Warmest sea: August 20.5°C 68.9°F
Map showing location of San Clemente (33.42697, -117.61199) San Clemente map pin © Google

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