December weather in Phoenix, AZ
The average temperature in Phoenix in December is 53.3°F (42.7°F–63.9°F). Average precipitation: 0.81 inches.
December is a winter month in Phoenix, and is cooler than the annual average of 72.5°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 47m. For travel, December is a comfortable month to visit.
Avg High
63.9°F
Avg Low
42.7°F
Precipitation
0.81 in
Daylight
9h 47m
December records in Phoenix
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.0°F (2021) | 33.1°F (2006) | 0.52 in (2007) |
| December 2 | 81.0°F (2021) | 34.0°F (2004) | 0.28 in (1998) |
| December 3 | 80.1°F (2024) | 37.9°F (1999) | 0.40 in (2022) |
| December 4 | 77.0°F (2012) | 33.1°F (2020) | 0.70 in (2014) |
| December 5 | 81.0°F (2023) | 33.1°F (2013) | 0.21 in (2004) |
| December 6 | 81.0°F (2023) | 30.2°F (2011) | 0.28 in (2004) |
| December 7 | 79.0°F (2006) | 30.9°F (1998) | 0.89 in (2009) |
| December 8 | 79.0°F (2020) | 33.1°F (2011) | 0.32 in (2007) |
| December 9 | 79.0°F (2020) | 31.1°F (2013) | 0.36 in (2021) |
| December 10 | 77.0°F (2017) | 35.1°F (2013) | 0.66 in (2020) |
| December 11 | 77.0°F (2017) | 37.0°F (2003) | 0.18 in (2003) |
| December 12 | 80.1°F (2010) | 36.0°F (1999) | 0.26 in (2011) |
| December 13 | 78.1°F (2010) | 33.1°F (2001) | 0.26 in (2011) |
| December 14 | 82.0°F (2025) | 33.1°F (2001) | 0.34 in (2012) |
| December 15 | 81.0°F (2025) | 33.1°F (2015) | 0.53 in (2012) |
| December 16 | 79.0°F (1998) | 30.9°F (2005) | 0.89 in (2008) |
| December 17 | 78.1°F (1998) | 30.9°F (2005) | 0.16 in (2008) |
| December 18 | 81.0°F (2024) | 35.1°F (2001) | 0.17 in (2012) |
| December 19 | 79.0°F (2024) | 34.0°F (2006) | 0.23 in (2013) |
| December 20 | 80.1°F (2024) | 31.1°F (2006) | 0.20 in (2013) |
| December 21 | 79.0°F (2025) | 33.1°F (2006) | 0.15 in (2016) |
| December 22 | 79.0°F (2025) | 34.0°F (2017) | 0.95 in (2016) |
| December 23 | 78.1°F (2025) | 28.9°F (1998) | 0.15 in (2002) |
| December 24 | 78.1°F (2005) | 30.0°F (1998) | 1.49 in (2021) |
| December 25 | 73.9°F (2005) | 30.9°F (2004) | 0.36 in (2019) |
| December 26 | 73.0°F (2005) | 31.1°F (2014) | 0.14 in (2008) |
| December 27 | 72.0°F (2016) | 31.1°F (2014) | 0.27 in (2019) |
| December 28 | 73.9°F (2017) | 30.0°F (2003) | 0.57 in (2022) |
| December 29 | 75.9°F (2016) | 28.0°F (2003) | 0.99 in (2004) |
| December 30 | 73.9°F (2017) | 31.1°F (2010) | 0.53 in (2010) |
| December 31 | 72.0°F (1998) | 30.2°F (2010) | 0.13 in (2014) |