Santa Barbara Weather in December

Santa Barbara in December sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 7°C (45°F). Rainfall is fairly high this month at around 78 mm (3.1 in), so pack a rain jacket to stay dry.

Rainfall in Santa Barbara in December

Looking at the last 30 years, the data shows about 8 days with rain, averaging 78 mm (3.1 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Santa Barbara in December

Temperatures in Santa Barbara in December top out at 18°C (64°F) and drop to 7°C (45°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. While this is the time of year with slightly cooler averages, it remains comfortably warm.

Sunshine in Santa Barbara in December

The city usually sees around 186 hours of sunlight, indicating a moderately sunny period.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Santa Barbara. Our weather planner can help you explore destinations with more pleasant weather conditions.