United States · 1991–2020 normal
Unalaska in
December.
Typical December weather in Unalaska: 4.1°C by day, -0.7°C at night, 201 mm of rain over 18.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.1°C
Typical low-0.7°C
Rain201 mm
Wet days18.5
Comfort score 5 this month (August leads the year at 47). Daylight is calculated as 7 h 26 from latitude 53.87°. Open-water sea temperature is 5.4°C (27 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -0.7°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5877208
- NOAA station
- USC00502587 · DUTCH HARBOR
- Station distance
- 2.4 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.