San Juan Capistrano Weather in December

What's the weather like in San Juan Capistrano (California) in December 2024?

The climate in San Juan Capistrano during December can be summarized as mild and reasonably dry.

December is in the winter in San Juan Capistrano and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 5°C (42°F) is normal.

San Juan Capistrano weather averages (imperial / metric)
Daytime temperature 18.3°C 64.9°F
Nightly temperature 5.4°C 41.6°F
Average temperature 11.8°C 53.2°F
Daily sunshine 7.9 hrs
Avg rainfall 49 mm 1.9 ins
Rainy days 5 days
Sea temperature 15.7°C 60.2°F
Humidity 64%
Windspeed 10.4kph 7 mph

On average December is the 4th wettest month of the year in San Juan Capistrano with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

December temperatures in San Juan Capistrano

San Juan Capistrano average temperature in December

December rainfall

San Juan Capistrano average rain in December

December hourly sunshine

San Juan Capistrano average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Juan Capistrano in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Juan Capistrano weather stats

San Juan Capistrano weather statistics
Hottest month: August 28.1°C 82.6°F
Driest month: July 2mm 0.1ins
Sunniest month: August 11.4hrs
Coldest month: January 17.8°C 64°F
Wettest month: January 72mm 2.8ins
Map showing location of San Juan Capistrano (33.50169, -117.66255) San Juan Capistrano map pin © Google

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