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San Juan Capistrano, CA Weather


San Juan Capistrano, CA climate is mild during summer when temperatures tend to be in the 60's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is August with an average maximum temperature of 9.99 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 9.99 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and moderate during winter with an average difference of 23 degrees Fahrenheit.

The annual average precipitation at San Juan Capistrano is 9.99 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is February with an average rainfall of 2.96 Inches.

Weather Data

Normal Climate

Normal Temperatures

(LAGUNA BEACH Weather station, 7.59 miles from San Juan Capistrano)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 66.9 67.4 67.7 70.5 71.2 74.2 77.3 78.8 78.8 75.9 71.3 67.3 72.3
Mean °F 55.4 56.0 57.0 59.7 62.5 65.6 68.7 69.3 69.2 65.4 59.6 55.5 62.0
Min °F 43.9 44.5 46.3 48.8 53.8 56.9 60.1 59.8 59.5 54.9 47.8 43.6 51.7

Normal Precipitation

(LAGUNA BEACH Weather station, 7.59 miles from San Juan Capistrano)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 2.75 2.96 2.58 0.84 0.25 0.13 0.04 0.12 0.35 0.47 1.23 1.84 9.99