Buellton Weather in December

December in Buellton averages 18°C (64°F) during the day and 4°C (39°F) at night. Quite a bit of rainfall is typical this month, with around 80 mm (3.1 in) on average. An umbrella is a good idea.

Rainfall in Buellton in December

You can expect rain on roughly 9 days based on historical data, averaging 80 mm (3.1 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Buellton in December

In December, Buellton sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 4°C (39°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. While temperatures are the coolest of this year this month, they remain pleasant and warm for outdoor activities.

Sunshine in Buellton in December

The month brings about 186 hours of sunlight, offering a comfortable mix of sun and overcast.

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