December weather in Santa Barbara, CA
The average temperature in Santa Barbara in December is 56.2°F (46.1°F–66.2°F). Average precipitation: 3.07 inches.
December is a winter month in Santa Barbara, and is cooler than the annual average of 62.5°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 43m. For travel, December is a comfortable month to visit.
Avg High
66.2°F
Avg Low
46.1°F
Precipitation
3.07 in
Daylight
9h 43m
December records in Santa Barbara
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 89.1°F (1959) | 32.0°F (1948) | 1.16 in (1973) |
| December 2 | 89.1°F (1958) | 34.0°F (1913) | 2.42 in (1966) |
| December 3 | 91.9°F (1958) | 33.1°F (1948) | 1.31 in (1908) |
| December 4 | 84.9°F (1939) | 30.0°F (1919) | 4.75 in (1974) |
| December 5 | 87.1°F (1940) | 28.9°F (1948) | 3.75 in (1997) |
| December 6 | 84.0°F (1893) | 33.1°F (2006) | 2.04 in (1992) |
| December 7 | 90.0°F (1938) | 32.0°F (1948) | 1.32 in (1949) |
| December 8 | 91.0°F (1938) | 34.0°F (1960) | 2.00 in (1949) |
| December 9 | 86.0°F (1957) | 28.9°F (1951) | 2.44 in (1909) |
| December 10 | 86.0°F (1921) | 30.9°F (1951) | 2.82 in (1996) |
| December 11 | 84.0°F (1921) | 32.0°F (1923) | 2.69 in (1937) |
| December 12 | 88.0°F (1956) | 28.9°F (1949) | 1.78 in (1995) |
| December 13 | 84.9°F (1953) | 32.0°F (1931) | 4.01 in (1922) |
| December 14 | 82.0°F (1953) | 30.9°F (1945) | 3.09 in (2021) |
| December 15 | 82.0°F (1942) | 26.1°F (1948) | 2.10 in (1899) |
| December 16 | 82.0°F (1904) | 30.9°F (1948) | 2.35 in (2002) |
| December 17 | 84.9°F (1929) | 32.0°F (1916) | 0.99 in (1988) |
| December 18 | 86.0°F (1929) | 27.0°F (1924) | 1.97 in (1940) |
| December 19 | 84.0°F (1929) | 27.0°F (1924) | 2.08 in (1970) |
| December 20 | 81.0°F (1904) | 30.0°F (1948) | 2.54 in (1964) |
| December 21 | 81.0°F (1917) | 28.9°F (1968) | 2.90 in (2023) |
| December 22 | 80.1°F (1960) | 28.0°F (1990) | 2.14 in (1945) |
| December 23 | 81.0°F (1960) | 28.0°F (1990) | 3.47 in (1940) |
| December 24 | 82.9°F (1929) | 26.1°F (1948) | 4.05 in (2025) |
| December 25 | 84.9°F (1925) | 23.0°F (1924) | 2.11 in (1931) |
| December 26 | 82.0°F (1925) | 24.1°F (1924) | 1.66 in (1921) |
| December 27 | 84.0°F (1956) | 27.0°F (1924) | 3.08 in (1936) |
| December 28 | 86.0°F (1956) | 30.0°F (1926) | 5.32 in (1977) |
| December 29 | 86.0°F (1956) | 28.0°F (1987) | 1.54 in (1991) |
| December 30 | 84.9°F (1917) | 27.0°F (1987) | 1.11 in (1936) |
| December 31 | 82.0°F (1980) | 26.1°F (1987) | 2.59 in (1933) |