Grand Canyon Weather in December
Average highs run from 47°F on December 1 to 42°F on December 31, and lows from 20°F to 18°F. Normal precipitation for the month is 1.25 in over about 6 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
- 43°F
- Average low
- 18°F
- Precipitation
- 1.25 in
- Snowfall
- 8.0 in
- Record high
- 67°FDec 12, 2025
- Record low
- -30°FDec 31, 2010
- Chance of a freeze
- 100%
- Daylight
- 9 h 53 min to 9 h 45 min
- Cloud cover
- 46%
- Humidity
- 60%
- Dew point
- 19°F
- Wind
- 6.9 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 | 47°F | 20°F | 62°F 2008 | -2°F 2001 | 17% | 9% |
| Dec 2 | 46°F | 20°F | 61°F 2017 | 2°F 2020 | 17% | 9% |
| Dec 3 | 46°F | 20°F | 60°F 2017 | -1°F 2009 | 18% | 9% |
| Dec 4 | 45°F | 20°F | 66°F 2007 | -6°F 2009 | 18% | 9% |
| Dec 5 | 45°F | 19°F | 62°F 2007 | 0°F 2005 | 18% | 10% |
| Dec 6 | 45°F | 19°F | 60°F 2023 | -5°F 2011 | 18% | 10% |
| Dec 7 | 44°F | 19°F | 63°F 2015 | -11°F 1998 | 18% | 10% |
| Dec 8 | 44°F | 19°F | 62°F 2015 | -16°F 2013 | 19% | 10% |
| Dec 9 | 44°F | 19°F | 60°F 2015 | -23°F 2013 | 19% | 11% |
| Dec 10 | 43°F | 18°F | 64°F 2025 | -19°F 2009 | 19% | 11% |
| Dec 11 | 43°F | 18°F | 65°F 2025 | -8°F 2009 | 19% | 11% |
| Dec 12 | 43°F | 18°F | 67°F 2025 | -6°F 2001 | 19% | 11% |
| Dec 13 | 43°F | 18°F | 65°F 2010 | -11°F 2001 | 20% | 12% |
| Dec 14 | 43°F | 18°F | 61°F 2025 | -8°F 2022 | 20% | 12% |
| Dec 15 | 42°F | 18°F | 61°F 2025 | -15°F 2015 | 20% | 12% |
| Dec 16 | 42°F | 18°F | 62°F 2025 | -14°F 2015 | 20% | 12% |
| Dec 17 | 42°F | 18°F | 65°F 2025 | -8°F 2015 | 20% | 12% |
| Dec 18 | 42°F | 18°F | 60°F 2023 | 1°F 2001 | 20% | 12% |
| Dec 19 | 42°F | 18°F | 62°F 2024 | -5°F 2002 | 20% | 12% |
| Dec 20 | 42°F | 18°F | 61°F 2024 | -9°F 2008 | 20% | 12% |
| Dec 21 | 42°F | 17°F | 63°F 2005 | -3°F 2002 | 20% | 13% |
| Dec 22 | 42°F | 17°F | 62°F 2025 | -10°F 2002 | 20% | 13% |
| Dec 23 | 42°F | 17°F | 65°F 2025 | -2°F 2008 | 20% | 13% |
| Dec 24 | 42°F | 17°F | 60°F 2005 | -11°F 2009 | 20% | 13% |
| Dec 25 | 42°F | 18°F | 58°F 2005 | -11°F 2009 | 20% | 13% |
| Dec 26 | 42°F | 18°F | 57°F 2022 | -14°F 2009 | 20% | 13% |
| Dec 27 | 42°F | 18°F | 60°F 2017 | -19°F 2008 | 20% | 13% |
| Dec 28 | 42°F | 18°F | 62°F 2017 | -11°F 2012 | 20% | 13% |
| Dec 29 | 42°F | 18°F | 64°F 2017 | -9°F 2019 | 20% | 13% |
| Dec 30 | 42°F | 18°F | 63°F 2017 | -11°F 2010 | 20% | 13% |
| Dec 31 | 42°F | 18°F | 57°F 1998 | -30°F 2010 | 20% | 13% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:21 AM, sunset 5:14 PM
- December 31
- sunrise 7:39 AM, sunset 5:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00023596 (Grand Canyon Np 2), public domain. Records: NOAA GHCN-Daily, station USW00003195, 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.