About San Clemente: Climate

San Clemente offers one of the best beach climates in California. Unlike its northern beach city neighbors, there are an average of 310 days of sunshine each year. Its temperate climate tends to average in the 70’s with the warmest month falling in August at 79ºF and the coldest month being December with an average of 64ºF. The annual rainfall in 2010 was 10.5 inches (270 mm).