Finland · 1991–2020 normal

Puolanka in
December.

Typical December weather in Puolanka: -5°C by day, -10°C at night, 59 mm of rain over 12.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-5°C
Typical low-10°C
Rain59 mm
Wet days12.8

Comfort score 5 this month (July leads the year at 63). Daylight is calculated as 3 h 46 from latitude 64.87°.

Event window

Long northern nights in December

At 64.9° the calculated mid-month daylight is 3 h 46. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -10°C.

Event window

Frost-level nights in December

The measured night-time normal is -10°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 640658
NOAA station
FIE00145802 · HYRYNSALMI KYTOMAKI
Station distance
27.3 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.