Weather in Santa Barbara in December 2025
Average weather
Average temperature in Santa Barbara in December
Going from a maximum of +82°F during the day to a minimum of +48°F during the night, the temperature in December averages around +70°F.
The average maximum temperature goes down 16% by the end of the month, compared with the beginning of the month, from +68°F to +63°F.
Is Santa Barbara warm or cold in December?
Santa Barbara is typically mild in December.
Maximum temperatures go down compared to the previous month from +70°F to +66°F. The minimum temperature also goes down from +57°F to +54°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
December is one of the coolest months in Santa Barbara, here is the comparison with other months:
Climate in Santa Barbara in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +70°F | +66°F | +66°F | ||||
| Min. temperature | ||||||
| +43°F | +36°F | +41°F | ||||
| Max. temperature | ||||||
| +93°F | +82°F | +88°F | ||||
| Rainfall | ||||||
| 33 mm | 69 mm | 94 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 59% | 62% | 65% | ||||
| Air pressure | ||||||
| 1016 HPa | 1017 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 14 | 11 | 11 | ||||
| Cloudy days | ||||||
| 11 | 12 | 12 | ||||
| Rainy days | ||||||
| 5 | 8 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as good as in November. It’s getting colder in December. From +70°F in the day, the average maximum temperature lowers to +66°F. Prepare for more rain. Average rainfall goes from 33 mm to 69 mm. Humidity rises from 59% to 62%. The average wind speed doesn’t change much during December, staying around 1 m/s. The days becoming less sunny, going from 14 sunny days in November to 11 in December.
January brings much the same weather, it remains good.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Santa Barbara is gradually decreasing during December, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last December in Santa Barbara?
Climate Change Over the Years
The climate in Santa Barbara in December has not changed that much over the last 43 years.
The average temperature was the lowest in 2010 (+70°F) and the highest in 2015 (+77°F). The driest year was 2013 with only 117 mm of rainfall, and the wettest year was 2023 with 1100 mm.
FAQ
Is December a good time to visit Santa Barbara?
Can you sunbathe in Santa Barbara in December?
Is Santa Barbara rainy in December?
Is it sunny in Santa Barbara in December?
Other cities in USA
Monthly weather in Santa Barbara
Source of the data
For this page, we’ve looked at the typical weather in Santa Barbara, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
