San Juan Capistrano (CA) Weather and Climate: A Comprehensive Guide
The temperature in San Juan Capistrano varies moderately throughout the year.
The temperatures shift from warm
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 Juan Capistrano, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a comfortable 29°C in September. In December, the coolest month of the year, temperatures drop to a pleasant 19°C.
At night, you can expect cooler temperatures, with averages dropping to around 8°C during this month.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
With annual rainfall averaging 260 mm, San Juan Capistrano maintains relatively low precipitation levels throughout the seasons. San Juan Capistrano can be quite wet during December, receiving approximately 74 mm of precipitation over 8 rainy days.
In contrast June, experiences much drier conditions, with 0.4 mm of rainfall, spread across 0 rainy days. For more details, please visit our San Juan Capistrano Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
San Juan Capistrano can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.3 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 6.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Forecast for San Juan Capistrano (CA)
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit San Juan Capistrano in the United States of America
During the months of January, February, March, April, May, June 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 29°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 74 mm of rainfall.
June is the driest month with 0 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.
