December weather in Del Mar, CA
The average temperature in Del Mar in December is 56.4°F (46.1°F–66.6°F). Average precipitation: 1.99 inches.
December is a winter month in Del Mar, and is cooler than the annual average of 64.2°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 50m. For travel, December is a comfortable month to visit.
Avg High
66.6°F
Avg Low
46.1°F
Precipitation
1.99 in
Daylight
9h 50m
December records in Del Mar
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 84.9°F (1959) | 36.0°F (2004) | 1.54 in (1947) |
| December 2 | 84.0°F (1959) | 37.0°F (1996) | 0.82 in (1961) |
| December 3 | 89.1°F (1958) | 37.9°F (1949) | 0.89 in (1966) |
| December 4 | 89.1°F (1979) | 34.0°F (2011) | 1.79 in (1947) |
| December 5 | 88.0°F (1965) | 37.0°F (1971) | 2.02 in (1966) |
| December 6 | 86.0°F (1979) | 33.1°F (1978) | 0.84 in (1966) |
| December 7 | 82.9°F (1963) | 28.0°F (1978) | 2.19 in (2009) |
| December 8 | 86.0°F (1963) | 28.0°F (1978) | 0.55 in (2007) |
| December 9 | 86.0°F (2017) | 30.9°F (1978) | 1.29 in (1965) |
| December 10 | 84.9°F (2017) | 35.1°F (1997) | 0.73 in (1965) |
| December 11 | 86.0°F (1958) | 36.0°F (1971) | 0.77 in (1951) |
| December 12 | 86.0°F (2010) | 34.0°F (1985) | 0.99 in (2014) |
| December 13 | 88.0°F (1953) | 33.1°F (1997) | 0.52 in (2012) |
| December 14 | 84.0°F (1953) | 30.9°F (1987) | 1.29 in (2021) |
| December 15 | 84.0°F (2017) | 34.0°F (1987) | 2.22 in (2008) |
| December 16 | 86.0°F (1980) | 34.0°F (1971) | 1.62 in (1987) |
| December 17 | 82.0°F (1958) | 34.0°F (1971) | 1.67 in (2008) |
| December 18 | 82.9°F (1985) | 37.0°F (2001) | 1.37 in (1978) |
| December 19 | 82.0°F (1954) | 34.0°F (1992) | 0.61 in (1970) |
| December 20 | 86.0°F (1960) | 34.0°F (1992) | 0.80 in (1952) |
| December 21 | 82.0°F (2005) | 34.0°F (1968) | 1.98 in (2010) |
| December 22 | 81.0°F (1985) | 33.1°F (1990) | 2.46 in (2010) |
| December 23 | 84.9°F (2014) | 32.0°F (1990) | 0.39 in (1995) |
| December 24 | 82.9°F (1989) | 30.9°F (1987) | 1.02 in (1959) |
| December 25 | 82.0°F (1985) | 28.0°F (1987) | 1.18 in (1988) |
| December 26 | 82.0°F (1980) | 34.0°F (1953) | 0.52 in (1977) |
| December 27 | 82.9°F (1956) | 30.0°F (1987) | 1.19 in (1984) |
| December 28 | 84.9°F (1963) | 35.1°F (2003) | 0.92 in (2004) |
| December 29 | 89.1°F (1963) | 33.1°F (1988) | 1.49 in (2004) |
| December 30 | 84.9°F (1980) | 34.0°F (1971) | 2.27 in (1951) |
| December 31 | 81.0°F (1968) | 33.1°F (1982) | 0.71 in (1976) |