December weather in Chino Hills, CA
The average temperature in Chino Hills in December is 54.6°F (40.4°F–68.7°F). Average precipitation: 1.69 inches.
December is a winter month in Chino Hills, and is cooler than the annual average of 66.1°F. Daily temperatures swing about 28.3°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 9h 45m. For travel, December is a comfortable month to visit.
Avg High
68.7°F
Avg Low
40.4°F
Precipitation
1.69 in
Daylight
9h 45m
December records in Chino Hills
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 91.9°F (2021) | 27.0°F (2004) | 0.03 in (1998) |
| December 2 | 84.0°F (2020) | 28.9°F (2004) | 1.58 in (2014) |
| December 3 | 78.1°F (2007) | 32.0°F (2004) | 1.11 in (2014) |
| December 4 | 82.0°F (2007) | 28.9°F (2004) | 0.84 in (2019) |
| December 5 | 84.9°F (2023) | 30.0°F (1999) | 0.34 in (2010) |
| December 6 | 84.9°F (2024) | 28.2°F (2011) | 1.26 in (2018) |
| December 7 | 86.0°F (2006) | 28.2°F (2011) | 0.89 in (2009) |
| December 8 | 86.0°F (2015) | 30.0°F (1998) | 0.24 in (2019) |
| December 9 | 86.0°F (2025) | 30.9°F (2001) | 0.28 in (2006) |
| December 10 | 88.0°F (2025) | 31.1°F (2013) | 0.17 in (2006) |
| December 11 | 87.1°F (2025) | 26.2°F (2013) | 0.64 in (2022) |
| December 12 | 86.0°F (2010) | 30.0°F (2003) | 1.30 in (2014) |
| December 13 | 84.9°F (2017) | 30.9°F (1999) | 0.48 in (2012) |
| December 14 | 84.0°F (2017) | 31.1°F (2007) | 1.74 in (2021) |
| December 15 | 84.0°F (2017) | 29.1°F (2015) | 1.74 in (2008) |
| December 16 | 86.0°F (2013) | 32.0°F (2001) | 1.26 in (2016) |
| December 17 | 86.0°F (2013) | 30.2°F (2015) | 0.34 in (2014) |
| December 18 | 86.0°F (2024) | 30.0°F (2001) | 0.37 in (2010) |
| December 19 | 84.9°F (2024) | 30.2°F (2006) | 0.12 in (1998) |
| December 20 | 84.9°F (2020) | 26.2°F (2006) | 0.40 in (2023) |
| December 21 | 87.1°F (2020) | 28.2°F (2006) | 1.30 in (2010) |
| December 22 | 78.1°F (2014) | 24.1°F (1998) | 1.84 in (2010) |
| December 23 | 81.0°F (2014) | 24.1°F (1998) | 0.89 in (2021) |
| December 24 | 86.0°F (2005) | 23.0°F (1998) | 1.16 in (2025) |
| December 25 | 84.9°F (2022) | 27.0°F (1998) | 0.42 in (2003) |
| December 26 | 81.0°F (2013) | 28.2°F (2007) | 1.47 in (2019) |
| December 27 | 86.0°F (2015) | 28.9°F (2003) | 0.48 in (2006) |
| December 28 | 84.9°F (2017) | 27.0°F (2003) | 1.66 in (2020) |
| December 29 | 88.0°F (2017) | 30.9°F (2003) | 0.50 in (2004) |
| December 30 | 81.0°F (2017) | 31.1°F (2006) | 0.12 in (2016) |
| December 31 | 81.0°F (2011) | 29.1°F (2010) | 0.83 in (2022) |