December weather in Murrieta, CA
The average temperature in Murrieta in December is 56.6°F (46.1°F–67.1°F). Average precipitation: 2.64 inches.
December is a winter month in Murrieta, and is cooler than the annual average of 65.1°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 47m. For travel, December is a comfortable month to visit.
Avg High
67.1°F
Avg Low
46.1°F
Precipitation
2.64 in
Daylight
9h 47m
December records in Murrieta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 86.5°F (2021) | 41.7°F (2015) | 0.00 in (2008) |
| December 2 | 81.1°F (2015) | 43.0°F (2011) | 0.80 in (2014) |
| December 3 | 79.5°F (2015) | 42.4°F (2011) | 1.59 in (2014) |
| December 4 | 79.5°F (2023) | 36.5°F (2011) | 1.34 in (2019) |
| December 5 | 84.9°F (2023) | 37.8°F (2011) | 0.35 in (2018) |
| December 6 | 84.4°F (2024) | 39.9°F (2013) | 1.34 in (2018) |
| December 7 | 86.0°F (2015) | 42.3°F (2013) | 1.68 in (2009) |
| December 8 | 87.4°F (2015) | 40.6°F (2009) | 0.20 in (2019) |
| December 9 | 84.4°F (2025) | 36.9°F (2013) | 0.06 in (2021) |
| December 10 | 90.0°F (2025) | 39.2°F (2009) | 0.03 in (2015) |
| December 11 | 85.6°F (2017) | 39.6°F (2011) | 1.00 in (2022) |
| December 12 | 86.9°F (2010) | 40.3°F (2015) | 1.76 in (2009) |
| December 13 | 84.9°F (2017) | 39.2°F (2022) | 1.25 in (2012) |
| December 14 | 79.7°F (2017) | 39.0°F (2022) | 1.64 in (2021) |
| December 15 | 83.1°F (2017) | 36.5°F (2015) | 2.07 in (2008) |
| December 16 | 89.2°F (2013) | 37.2°F (2015) | 1.89 in (2016) |
| December 17 | 83.7°F (2013) | 37.0°F (2008) | 1.35 in (2008) |
| December 18 | 85.8°F (2024) | 37.6°F (2008) | 0.35 in (2010) |
| December 19 | 84.6°F (2024) | 34.5°F (2012) | 1.83 in (2010) |
| December 20 | 85.6°F (2020) | 37.4°F (2008) | 2.15 in (2010) |
| December 21 | 84.9°F (2020) | 40.3°F (2017) | 3.27 in (2010) |
| December 22 | 77.2°F (2014) | 38.5°F (2017) | 2.44 in (2010) |
| December 23 | 80.6°F (2014) | 37.4°F (2009) | 0.98 in (2021) |
| December 24 | 81.1°F (2022) | 39.6°F (2009) | 1.47 in (2021) |
| December 25 | 84.6°F (2022) | 37.8°F (2016) | 0.81 in (2008) |
| December 26 | 81.9°F (2022) | 38.5°F (2008) | 1.06 in (2019) |
| December 27 | 84.6°F (2013) | 37.0°F (2008) | 0.51 in (2021) |
| December 28 | 88.0°F (2017) | 36.0°F (2015) | 1.24 in (2020) |
| December 29 | 86.4°F (2017) | 36.5°F (2015) | 1.07 in (2010) |
| December 30 | 81.0°F (2017) | 34.5°F (2014) | 0.50 in (2014) |
| December 31 | 80.2°F (2011) | 32.4°F (2014) | 0.56 in (2016) |