December weather in Carlsbad, CA
The average temperature in Carlsbad in December is 56.0°F (47.3°F–64.6°F). Average precipitation: 1.72 inches.
December is a winter month in Carlsbad, and is cooler than the annual average of 62.5°F. Daily temperatures swing about 17.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 49m. For travel, December is a comfortable month to visit.
Avg High
64.6°F
Avg Low
47.3°F
Precipitation
1.72 in
Daylight
9h 49m
December records in Carlsbad
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 79.0°F (2013) | 37.9°F (2004) | 0.26 in (1998) |
| December 2 | 77.0°F (2006) | 39.9°F (2004) | 0.50 in (2014) |
| December 3 | 77.0°F (2006) | 42.1°F (2004) | 0.33 in (2014) |
| December 4 | 77.0°F (2000) | 41.0°F (2011) | 1.17 in (2019) |
| December 5 | 96.1°F (2007) | 41.0°F (2011) | 0.56 in (2018) |
| December 6 | 78.1°F (2007) | 39.0°F (2011) | 0.86 in (2018) |
| December 7 | 82.9°F (2001) | 39.0°F (1998) | 1.05 in (2009) |
| December 8 | 84.0°F (2020) | 41.0°F (1998) | 0.28 in (2007) |
| December 9 | 82.9°F (2017) | 39.9°F (2013) | 0.59 in (2006) |
| December 10 | 84.9°F (2017) | 39.9°F (1998) | 0.13 in (2006) |
| December 11 | 78.1°F (2017) | 39.9°F (1999) | 0.68 in (2022) |
| December 12 | 86.0°F (2010) | 41.0°F (1999) | 1.49 in (2014) |
| December 13 | 80.1°F (1998) | 41.0°F (1999) | 0.95 in (2012) |
| December 14 | 70.0°F (2013) | 41.0°F (2013) | 1.23 in (2021) |
| December 15 | 80.1°F (1998) | 41.0°F (2015) | 1.31 in (2008) |
| December 16 | 82.9°F (1998) | 39.0°F (2001) | 1.15 in (2016) |
| December 17 | 79.0°F (2023) | 39.9°F (2001) | 1.42 in (2008) |
| December 18 | 80.1°F (2000) | 39.9°F (2016) | 0.17 in (2007) |
| December 19 | 82.0°F (2009) | 37.9°F (2006) | 0.52 in (2010) |
| December 20 | 75.9°F (1999) | 39.9°F (2008) | 0.99 in (2010) |
| December 21 | 79.0°F (2005) | 39.0°F (2012) | 2.13 in (2010) |
| December 22 | 73.0°F (2014) | 37.9°F (1998) | 1.88 in (2010) |
| December 23 | 78.1°F (2014) | 37.9°F (1998) | 0.84 in (2019) |
| December 24 | 77.0°F (1999) | 32.0°F (2009) | 1.18 in (2016) |
| December 25 | 82.9°F (2013) | 37.9°F (1998) | 0.57 in (2003) |
| December 26 | 80.1°F (2013) | 41.0°F (2007) | 1.37 in (2019) |
| December 27 | 73.9°F (2013) | 39.0°F (2003) | 0.32 in (2022) |
| December 28 | 73.9°F (2011) | 36.0°F (2003) | 0.74 in (2020) |
| December 29 | 80.1°F (2016) | 37.9°F (2015) | 0.77 in (2010) |
| December 30 | 73.9°F (2025) | 41.0°F (2015) | 0.39 in (2014) |
| December 31 | 73.9°F (2025) | 37.9°F (2014) | 0.55 in (2016) |