Girdwood Weather in December
Average highs run from 31°F on December 1 to 28°F on December 31, and lows from 21°F to 17°F. Normal precipitation for the month is 8.98 in over about 22 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
- 29°F
- Average low
- 19°F
- Precipitation
- 8.98 in
- Snowfall
- 54.2 in
- Record high
- 53°FDec 29, 2020
- Record low
- -22°FDec 30, 2008
- Chance of a freeze
- 100%
- Daylight
- 6 h 10 min to 5 h 43 min
- Cloud cover
- 68%
- Humidity
- 92%
- Dew point
- 15°F
- Wind
- 7.8 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 | 31°F | 21°F | 45°F 2020 | -20°F 2012 | 67% | 40% |
| Dec 2 | 30°F | 20°F | 44°F 2002 | -21°F 2012 | 67% | 41% |
| Dec 3 | 30°F | 20°F | 46°F 2002 | -21°F 2012 | 67% | 41% |
| Dec 4 | 30°F | 20°F | 46°F 2002 | -15°F 2021 | 68% | 42% |
| Dec 5 | 30°F | 20°F | 46°F 2002 | -20°F 2012 | 68% | 42% |
| Dec 6 | 30°F | 20°F | 44°F 2006 | -12°F 2012 | 68% | 42% |
| Dec 7 | 30°F | 20°F | 46°F 2019 | -15°F 2001 | 68% | 42% |
| Dec 8 | 30°F | 20°F | 45°F 2002 | -10°F 2001 | 68% | 43% |
| Dec 9 | 30°F | 20°F | 46°F 2002 | -8°F 1999 | 69% | 43% |
| Dec 10 | 30°F | 20°F | 45°F 2017 | -2°F 2025 | 69% | 43% |
| Dec 11 | 30°F | 20°F | 46°F 2017 | -10°F 2016 | 69% | 43% |
| Dec 12 | 30°F | 20°F | 45°F 2019 | -11°F 2016 | 69% | 44% |
| Dec 13 | 30°F | 20°F | 45°F 2020 | -11°F 2016 | 69% | 44% |
| Dec 14 | 30°F | 20°F | 42°F 2005 | -11°F 2001 | 69% | 44% |
| Dec 15 | 30°F | 20°F | 50°F 2005 | -12°F 2001 | 69% | 44% |
| Dec 16 | 30°F | 19°F | 49°F 2005 | -21°F 2001 | 69% | 44% |
| Dec 17 | 30°F | 19°F | 44°F 2004 | -19°F 2001 | 68% | 44% |
| Dec 18 | 29°F | 19°F | 46°F 2005 | -20°F 2009 | 68% | 44% |
| Dec 19 | 29°F | 19°F | 45°F 2005 | -16°F 2009 | 68% | 44% |
| Dec 20 | 29°F | 19°F | 45°F 2000 | -10°F 2012 | 68% | 43% |
| Dec 21 | 29°F | 19°F | 47°F 2024 | -16°F 2012 | 68% | 43% |
| Dec 22 | 29°F | 19°F | 45°F 2024 | -17°F 2012 | 68% | 43% |
| Dec 23 | 29°F | 19°F | 43°F 2017 | -12°F 2010 | 67% | 43% |
| Dec 24 | 29°F | 18°F | 44°F 2000 | -18°F 2010 | 67% | 42% |
| Dec 25 | 29°F | 18°F | 48°F 2012 | -16°F 1998 | 67% | 42% |
| Dec 26 | 28°F | 18°F | 48°F 2012 | -16°F 1998 | 67% | 42% |
| Dec 27 | 28°F | 18°F | 46°F 2012 | -16°F 2003 | 66% | 41% |
| Dec 28 | 28°F | 18°F | 46°F 2005 | -6°F 2025 | 66% | 41% |
| Dec 29 | 28°F | 18°F | 53°F 2020 | -20°F 2008 | 66% | 41% |
| Dec 30 | 28°F | 17°F | 45°F 2001 | -22°F 2008 | 66% | 40% |
| Dec 31 | 28°F | 17°F | 47°F 2001 | -16°F 2008 | 65% | 40% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKST).
- December 1
- sunrise 9:41 AM, sunset 3:51 PM
- December 31
- sunrise 10:08 AM, sunset 3:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00500243 (Alyeska), public domain. Records: NOAA GHCN-Daily, station USW00026492, 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.