December weather in Chula Vista, CA
The average temperature in Chula Vista in December is 55.3°F (43.8°F–66.7°F). Average precipitation: 1.82 inches.
December is a winter month in Chula Vista, and is cooler than the annual average of 62.6°F. Daily temperatures swing about 22.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 52m. For travel, December is a comfortable month to visit.
Avg High
66.7°F
Avg Low
43.8°F
Precipitation
1.82 in
Daylight
9h 52m
December records in Chula Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 78.1°F (2013) | 33.1°F (2004) | 0.35 in (1998) |
| December 2 | 82.9°F (2020) | 34.0°F (2004) | 0.44 in (2014) |
| December 3 | 79.0°F (2015) | 37.0°F (2004) | 0.29 in (2014) |
| December 4 | 78.1°F (2000) | 35.1°F (2011) | 1.61 in (2019) |
| December 5 | 82.0°F (2023) | 37.9°F (2011) | 0.61 in (2018) |
| December 6 | 82.0°F (2015) | 35.1°F (2011) | 1.07 in (2018) |
| December 7 | 82.9°F (2024) | 32.0°F (1998) | 1.92 in (2009) |
| December 8 | 81.0°F (2017) | 34.0°F (1998) | 0.20 in (2007) |
| December 9 | 84.0°F (2025) | 34.0°F (2013) | 0.39 in (2021) |
| December 10 | 86.0°F (2025) | 35.1°F (1997) | 0.17 in (2006) |
| December 11 | 84.9°F (2017) | 36.0°F (1999) | 0.62 in (2022) |
| December 12 | 87.1°F (2010) | 37.9°F (1998) | 0.89 in (2014) |
| December 13 | 84.0°F (1998) | 36.0°F (1999) | 1.74 in (2012) |
| December 14 | 75.9°F (2004) | 36.0°F (1999) | 1.07 in (2021) |
| December 15 | 82.9°F (2017) | 36.0°F (2015) | 1.13 in (2008) |
| December 16 | 84.9°F (2013) | 32.0°F (2001) | 0.98 in (2016) |
| December 17 | 79.0°F (1999) | 35.1°F (2001) | 1.70 in (2008) |
| December 18 | 80.1°F (2004) | 35.1°F (2001) | 0.04 in (2007) |
| December 19 | 82.0°F (2005) | 34.0°F (2006) | 0.16 in (2013) |
| December 20 | 81.0°F (2020) | 35.1°F (2021) | 0.49 in (2010) |
| December 21 | 87.1°F (2005) | 36.0°F (2006) | 1.14 in (2010) |
| December 22 | 77.0°F (2003) | 33.1°F (1998) | 1.61 in (2010) |
| December 23 | 80.1°F (2014) | 31.1°F (2011) | 1.43 in (2019) |
| December 24 | 77.0°F (1999) | 32.0°F (1998) | 0.85 in (2016) |
| December 25 | 84.9°F (2022) | 35.1°F (1997) | 0.36 in (2015) |
| December 26 | 84.9°F (2022) | 33.1°F (1997) | 1.13 in (2019) |
| December 27 | 81.0°F (2013) | 32.0°F (2015) | 0.15 in (2006) |
| December 28 | 82.9°F (2017) | 1.2°F (2012) | 1.01 in (2004) |
| December 29 | 82.9°F (2016) | 33.1°F (2018) | 1.05 in (2004) |
| December 30 | 79.0°F (2017) | 35.1°F (2015) | 0.25 in (2016) |
| December 31 | 75.9°F (1997) | 34.0°F (2006) | 0.74 in (2016) |