United States · 1991–2020 normal
Girdwood in
December.
Typical December weather in Girdwood: -1.5°C by day, -7.1°C at night, 230 mm of rain over 18.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-1.5°C
Typical low-7.1°C
Rain230 mm
Wet days18.5
Comfort score 5 this month (July leads the year at 63). Daylight is calculated as 5 h 36 from latitude 60.94°.
Event window
Long northern nights in December
At 60.9° the calculated mid-month daylight is 5 h 36. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -7.1°C.
Event window
Frost-level nights in December
The measured night-time normal is -7.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5862837
- NOAA station
- USC00500243 · ALYESKA
- Station distance
- 3.5 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.