San Clemente has a Mediterranean climate where temperatures tend to average in the 70s °F (20s °C). The warmest month of the year is August, with an average high temperature of 79 °F (26 °C). The coldest month is December with an average high temperature of 64 °F (18 °C). The annual rainfall in 2010 was 10.5 inches (270 mm) and the annual days of sunshine 310.
Average Temperature
Humidity
Rain
Clouds
Air quality US AQI
Sun