San Clemente, CA Weather & Climate Normals
San Clemente's real weather, in one number
San Clemente, CA scores 93/100 on this site's reading of NOAA's own 30-year normals: very mild year-round. Many months fall in a comfortable temperature range with limited snow or seasonal extremes. 12 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
San Clemente's hottest and coldest months
San Clemente's hottest month is Aug, averaging 71°F; its coldest is Dec, averaging 56°F, a 15.6°F swing across the year, one of the smaller gaps in this dataset.
Rain and snow in San Clemente
San Clemente averages 12.68in of precipitation a year across roughly 31 days with measurable rain or snow, and 0in of snow a year.
Where San Clemente ranks
San Clemente ranks 52 of 4876 US cities in this dataset for comfort score, and 52 of 429 within CA. About 62,627 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from LAGUNA BEACH, CA US, 11.8 miles from San Clemente, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station