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San Clemente (CA) Climate by Month

The graphs below provide an overview of the climate in San Clemente (California), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for San Clemente (CA)

Tue   Sep 17
23°C | 15°C
SW 14 km/h
clear and no rain

clear and no rain

Wed   Sep 18
23°C | 15°C
S 14 km/h
almost clear and no rain

almost clear and no rain

Thu   Sep 19
23°C | 15°C
W 18 km/h
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit San Clemente in the United States of America

During the months of January, February, March, April, May, June, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in San Clemente?
    September has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in San Clemente?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in San Clemente?
    December tops the wettest month list with 72 mm of rainfall.
  • Which is the driest month in San Clemente?
    June is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in San Clemente?
    July is the sunniest month with an average of 369 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.