San Juan Capistrano Weather in December

San Juan Capistrano in December sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 8°C (46°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in San Juan Capistrano in December

The month brings the most rain, so be prepared with an umbrella for the occasional shower. Typically, you can expect about 8 days of rain this month, with 74 mm (2.9 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in San Juan Capistrano in December

Expect highs of 19°C (66°F) in San Juan Capistrano in December, with nights dropping to around 8°C (46°F). December is part of winter. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. The temperatures this month are milder, providing a comfortable and warm experience.

Sunshine in San Juan Capistrano in December

The month enjoys around 205 hours of sunshine, creating mostly sunny days with good weather conditions.

December in San Juan Capistrano can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.