Phoenix Weather in December
Average highs run from 42°F on December 1 to 32°F on December 31, and lows from 28°F to 18°F. Normal precipitation for the month is 4.43 in over about 23 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 37°F
- Average low
- 24°F
- Precipitation
- 4.43 in
- Snowfall
- 31.5 in
- Record high
- 69°FDec 4, 2012
- Record low
- -12°FDec 14, 2005
- Chance of a freeze
- 100%
- Daylight
- 9 h 13 min to 9 h 02 min
- Cloud cover
- 83%
- Humidity
- 90%
- Dew point
- 25°F
- Wind
- 6.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 42°F | 28°F | 62°F 1998 | 11°F 1999 | 65% | 32% |
| Dec 2 | 42°F | 28°F | 61°F 1998 | 7°F 2000 | 66% | 33% |
| Dec 3 | 41°F | 28°F | 59°F 2001 | 1°F 2002 | 67% | 34% |
| Dec 4 | 41°F | 28°F | 69°F 2012 | 3°F 2025 | 68% | 35% |
| Dec 5 | 40°F | 27°F | 66°F 1999 | 3°F 2025 | 68% | 36% |
| Dec 6 | 40°F | 27°F | 69°F 2001 | 8°F 2007 | 69% | 37% |
| Dec 7 | 40°F | 27°F | 68°F 1998 | 7°F 2000 | 70% | 38% |
| Dec 8 | 39°F | 27°F | 50°F 2004 | 0°F 2008 | 70% | 39% |
| Dec 9 | 39°F | 26°F | 54°F 2015 | -1°F 2002 | 71% | 40% |
| Dec 10 | 38°F | 26°F | 59°F 2015 | 7°F 2002 | 71% | 40% |
| Dec 11 | 38°F | 26°F | 61°F 2015 | 11°F 2016 | 72% | 41% |
| Dec 12 | 38°F | 25°F | 53°F 2015 | 8°F 2013 | 72% | 42% |
| Dec 13 | 37°F | 25°F | 55°F 2001 | -6°F 2005 | 73% | 43% |
| Dec 14 | 37°F | 25°F | 63°F 2015 | -12°F 2005 | 73% | 44% |
| Dec 15 | 37°F | 24°F | 56°F 2006 | 4°F 2007 | 73% | 44% |
| Dec 16 | 36°F | 24°F | 64°F 2021 | 1°F 2016 | 74% | 45% |
| Dec 17 | 36°F | 23°F | 54°F 1996 | -1°F 2017 | 74% | 46% |
| Dec 18 | 36°F | 23°F | 50°F 2025 | -1°F 2009 | 74% | 46% |
| Dec 19 | 35°F | 23°F | 54°F 2025 | -1°F 2010 | 74% | 47% |
| Dec 20 | 35°F | 22°F | 47°F 2002 | -11°F 2004 | 74% | 47% |
| Dec 21 | 35°F | 22°F | 60°F 2018 | -1°F 2004 | 74% | 48% |
| Dec 22 | 35°F | 21°F | 53°F 2015 | -5°F 2024 | 74% | 48% |
| Dec 23 | 34°F | 21°F | 57°F 2004 | -3°F 2024 | 74% | 49% |
| Dec 24 | 34°F | 21°F | 68°F 2015 | 6°F 1999 | 75% | 49% |
| Dec 25 | 34°F | 20°F | 57°F 2014 | -5°F 1999 | 75% | 50% |
| Dec 26 | 34°F | 20°F | 48°F 2016 | 7°F 2012 | 75% | 50% |
| Dec 27 | 33°F | 19°F | 53°F 2014 | 6°F 2017 | 75% | 51% |
| Dec 28 | 33°F | 19°F | 57°F 2008 | -5°F 2017 | 75% | 51% |
| Dec 29 | 33°F | 19°F | 62°F 2024 | -6°F 2017 | 75% | 52% |
| Dec 30 | 33°F | 18°F | 60°F 2024 | 2°F 2017 | 75% | 53% |
| Dec 31 | 32°F | 18°F | 53°F 2022 | -5°F 1996 | 75% | 53% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:18 AM, sunset 4:31 PM
- December 31
- sunrise 7:37 AM, sunset 4:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00303087 (Fulton), public domain. Records: NOAA GHCN-Daily, station USW00054773, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.