December weather in Vista, CA
The average temperature in Vista in December is 54.9°F (45.0°F–64.8°F). Average precipitation: 1.94 inches.
December is a winter month in Vista, and is cooler than the annual average of 62.7°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 49m. For travel, December is a comfortable month to visit.
Avg High
64.8°F
Avg Low
45.0°F
Precipitation
1.94 in
Daylight
9h 49m
December records in Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 84.0°F (1976) | 36.0°F (2004) | 1.12 in (2007) |
| December 2 | 82.0°F (1986) | 32.0°F (2004) | 0.19 in (2014) |
| December 3 | 84.9°F (1957) | 32.0°F (2004) | 1.14 in (1966) |
| December 4 | 90.0°F (1979) | 34.0°F (2011) | 1.45 in (1974) |
| December 5 | 87.1°F (1979) | 36.0°F (1972) | 2.54 in (1966) |
| December 6 | 86.0°F (1979) | 33.1°F (2011) | 0.97 in (1966) |
| December 7 | 82.9°F (1990) | 30.0°F (1978) | 1.10 in (2009) |
| December 8 | 89.1°F (1957) | 27.0°F (1978) | 0.40 in (1997) |
| December 9 | 89.1°F (1957) | 30.0°F (1971) | 1.25 in (1965) |
| December 10 | 84.9°F (2017) | 25.0°F (2003) | 0.65 in (1965) |
| December 11 | 82.9°F (1980) | 36.0°F (1972) | 0.64 in (1984) |
| December 12 | 86.0°F (2010) | 30.9°F (1972) | 1.01 in (2014) |
| December 13 | 84.0°F (1998) | 30.0°F (1967) | 1.65 in (2012) |
| December 14 | 78.1°F (1979) | 28.0°F (1967) | 1.42 in (2021) |
| December 15 | 82.0°F (1980) | 33.1°F (1987) | 1.48 in (2008) |
| December 16 | 88.0°F (2013) | 32.0°F (1975) | 1.11 in (2016) |
| December 17 | 82.9°F (1998) | 34.0°F (1975) | 1.11 in (1978) |
| December 18 | 84.0°F (2024) | 23.0°F (2007) | 1.28 in (1967) |
| December 19 | 82.0°F (1985) | 33.1°F (2012) | 1.07 in (1967) |
| December 20 | 82.0°F (1985) | 34.0°F (1978) | 0.90 in (2010) |
| December 21 | 82.0°F (2005) | 25.0°F (1968) | 1.97 in (2010) |
| December 22 | 78.1°F (1989) | 33.1°F (1968) | 2.97 in (2010) |
| December 23 | 84.9°F (2014) | 30.0°F (1990) | 0.90 in (1982) |
| December 24 | 82.0°F (1980) | 28.9°F (1974) | 1.56 in (2021) |
| December 25 | 84.0°F (2013) | 27.0°F (1974) | 2.10 in (1983) |
| December 26 | 81.0°F (2013) | 30.0°F (1987) | 1.42 in (2019) |
| December 27 | 82.0°F (2013) | 33.1°F (1966) | 1.23 in (1984) |
| December 28 | 80.1°F (1975) | 26.1°F (2003) | 0.92 in (2004) |
| December 29 | 89.1°F (1980) | 32.0°F (1966) | 1.05 in (2004) |
| December 30 | 89.1°F (1980) | 32.0°F (1969) | 0.90 in (1981) |
| December 31 | 84.0°F (1980) | 30.9°F (1972) | 0.77 in (2025) |