San Clemente (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Clemente.
Climate overview of San Clemente
San Clemente, California, United States of America, has a moderate seasonal temperature range, with September reaching 27°C (81°F) and December cooling to 19°C (66°F).
The city tends toward dry conditions, with around 254 mm (10 in) of rainfall per year. It does, however, have a distinct dry season from February to November. Sunshine peaks in July, when the city sees around 12.3 hours of sunshine per day.
San Clemente Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Clemente — and find the best time to visit.
Monthly Temperature in San Clemente
In San Clemente, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in September to a pleasant 19°C (66°F) in the coolest month, December.
Nights vary from 17°C (63°F) in September to around 8°C (46°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Clemente
San Clemente typically sees modest rainfall throughout the year, with an average annual precipitation of 254 mm (10 in). The climate in San Clemente shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 72 mm (2.8 in) of precipitation over 8 rainy days.
In contrast, the driest month June offers drier and sunnier days, with around 0.5 mm (0.02 in) 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
The average number of days each month with precipitation
Sunshine Hours in San Clemente
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
Best Time to Visit San Clemente
While you can visit anytime with confidence, the drier months like June (with just 1 mm (0.04 in) rainfall) provide the most favorable conditions for extended outdoor exploration and flexible itineraries. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in San Clemente
What is the best time to visit San Clemente?
January, February, March, April, May, June, July, August, September, October and November typically offer the most optimal weather in San Clemente. In contrast, December tends to have less optimal conditions. San Clemente has a distinct dry season from February to November.
What temperatures can I expect in San Clemente?
Daytime highs range from 19°C (66°F) in December to 27°C (81°F) in September. Nighttime lows range from 8°C (46°F) to 17°C (63°F).
How much rain does San Clemente get?
Annual rainfall is around 254 mm (10 in). December is the wettest month with 72 mm (2.8 in), while June is the driest with 0.5 mm (0.02 in).
How sunny is San Clemente?
San Clemente receives around 3,279 hours of sunshine per year. July is the sunniest month with 369 hours, while January is the cloudiest with just 198 hours. Overall, San Clemente enjoys abundant sunshine.
San Clemente 3-Day Forecast
San Clemente (CA) 3-Day Forecast
San Clemente on the map
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