Santa Bárbara Weather in December

Santa Bárbara in December averages 28°C (82°F) during the day and 19°C (66°F) at night. This is the wettest month of the year.

Rainfall in Santa Bárbara in December

As part of the rainy season, Santa Bárbara sees around 24 days of rain in December, with an average of 310 mm (12 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Santa Bárbara in December

Daytime temperatures in Santa Bárbara reach 28°C (82°F) in December, dropping to 19°C (66°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Santa Bárbara in December

With about 152 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Santa Bárbara. Our weather planner can help you explore destinations with more pleasant weather conditions.