Sweden · 1991–2020 normal

Hammerdal in
December.

Typical December weather in Hammerdal: -3.3°C by day, -9.3°C at night, 43 mm of rain over 10.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-3.3°C
Typical low-9.3°C
Rain43 mm
Wet days10.1

Comfort score 5 this month (July leads the year at 60). Daylight is calculated as 4 h 30 from latitude 63.58°.

Event window

Long northern nights in December

At 63.6° the calculated mid-month daylight is 4 h 30. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -9.3°C.

Event window

Frost-level nights in December

The measured night-time normal is -9.3°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 2708135
NOAA station
SWE00140162 · HALLHAXASEN_A
Station distance
21.6 km from the place centre
Coverage
Strong coverage · 26 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.