December weather in Dublin, CA
The average temperature in Dublin in December is 47.7°F (37.5°F–57.8°F). Average precipitation: 2.80 inches.
December is a winter month in Dublin, and is cooler than the annual average of 59.9°F. Daily temperatures swing about 20.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 24m. For travel, December is cool.
Avg High
57.8°F
Avg Low
37.5°F
Precipitation
2.80 in
Daylight
9h 24m
December records in Dublin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.0°F (2013) | 27.0°F (2004) | 0.50 in (2005) |
| December 2 | 72.0°F (2011) | 27.0°F (2004) | 1.41 in (2014) |
| December 3 | 68.0°F (2024) | 27.0°F (2004) | 1.28 in (2014) |
| December 4 | 70.0°F (2024) | 23.0°F (2004) | 0.45 in (2019) |
| December 5 | 70.0°F (2014) | 24.3°F (2013) | 0.53 in (2012) |
| December 6 | 71.1°F (2014) | 24.1°F (2009) | 0.52 in (2007) |
| December 7 | 72.0°F (2020) | 28.9°F (1998) | 0.47 in (2009) |
| December 8 | 72.0°F (2014) | 24.1°F (2009) | 0.44 in (2016) |
| December 9 | 69.1°F (2015) | 26.1°F (2009) | 0.21 in (2006) |
| December 10 | 68.0°F (2020) | 27.1°F (2013) | 1.12 in (2022) |
| December 11 | 68.0°F (2010) | 28.2°F (2021) | 2.56 in (2014) |
| December 12 | 66.0°F (2019) | 30.2°F (2013) | 0.91 in (2006) |
| December 13 | 64.0°F (2006) | 28.2°F (2017) | 1.34 in (2021) |
| December 14 | 69.1°F (2017) | 30.0°F (1999) | 1.17 in (2024) |
| December 15 | 64.0°F (2013) | 30.0°F (1999) | 1.01 in (2014) |
| December 16 | 69.1°F (1998) | 27.0°F (1999) | 2.76 in (2002) |
| December 17 | 69.1°F (1998) | 28.0°F (2006) | 0.47 in (2005) |
| December 18 | 68.0°F (2023) | 26.1°F (2006) | 1.10 in (2005) |
| December 19 | 66.0°F (2023) | 25.0°F (2006) | 1.13 in (2010) |
| December 20 | 66.9°F (2005) | 28.0°F (2006) | 0.94 in (2001) |
| December 21 | 70.0°F (1999) | 23.0°F (1998) | 0.51 in (2015) |
| December 22 | 70.0°F (1999) | 23.0°F (1998) | 0.62 in (2012) |
| December 23 | 70.0°F (2014) | 23.0°F (1998) | 0.73 in (2021) |
| December 24 | 71.1°F (2013) | 21.0°F (1998) | 0.67 in (2024) |
| December 25 | 64.0°F (1999) | 25.0°F (1998) | 0.78 in (2025) |
| December 26 | 68.0°F (2013) | 26.1°F (2011) | 0.29 in (2006) |
| December 27 | 64.0°F (1999) | 26.2°F (2015) | 1.35 in (2022) |
| December 28 | 70.0°F (2013) | 27.0°F (2003) | 0.82 in (2001) |
| December 29 | 66.9°F (2023) | 30.0°F (1998) | 0.91 in (2003) |
| December 30 | 68.0°F (2013) | 28.0°F (2000) | 1.11 in (2004) |
| December 31 | 64.9°F (2013) | 26.1°F (2000) | 3.46 in (2022) |