San Clemente (CA) Weather and Climate: A Comprehensive Guide
Temperatures see a moderate degree of fluctuation,
transitioning from warm conditions
to pleasant.
It typically sees modest rainfall throughout the year.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
In San Clemente, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a comfortable 27°C in September to a pleasant 19°C in the coolest month, December.
Nights are cooler, with lows often dropping to around 8°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
San Clemente typically sees modest rainfall throughout the year, with an average annual precipitation of 254 mm. The climate in San Clemente shows significant variation throughout the year. Expect moderate rainfall in December, with an average of 72 mm of precipitation over 8 rainy days. In contrast, June offers drier and sunnier days, with around 0.5 mm of rainfall over a single rainy day. For more details, please visit our San Clemente Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, San Clemente serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.3 hours of sunshine daily, and embrace the darker days in January, offering only 6.6 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
broken clouds and no rain broken clouds and no rain partly cloudy and no rainForecast for San Clemente (CA)
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:
September has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 19°C.
December tops the wettest month list with 72 mm of rainfall.
June is the driest month with 1 mm of precipitation.
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.