Greenland · 1991–2020 normal

Sisimiut in
December.

Typical December weather in Sisimiut: -4.4°C by day, -9.7°C at night, 56 mm of rain over 12.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-4.4°C
Typical low-9.7°C
Rain56 mm
Wet days12.3

Comfort score 5 this month (July leads the year at 42). Daylight is calculated as 1 h 49 from latitude 66.94°. Open-water sea temperature is 0.2°C (8 km from the place centre).

Event window

Long northern nights in December

At 66.9° the calculated mid-month daylight is 1 h 49. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -9.7°C.

Event window

Frost-level nights in December

The measured night-time normal is -9.7°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 3419842
NOAA station
GLE00147061 · MITT. SISIMIUT
Station distance
2.2 km from the place centre
Coverage
Good coverage · 17 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.