Finland · 1991–2020 normal

Valtimo in
December.

Typical December weather in Valtimo: -3.5°C by day, -9.5°C at night, 49 mm of rain over 10.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-3.5°C
Typical low-9.5°C
Rain49 mm
Wet days10.9

Comfort score 5 this month (July leads the year at 73). Daylight is calculated as 4 h 27 from latitude 63.67°.

Event window

Long northern nights in December

At 63.7° the calculated mid-month daylight is 4 h 27. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -9.5°C.

Event window

Frost-level nights in December

The measured night-time normal is -9.5°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 632552
NOAA station
FIE00145452 · VALTIMO KK
Station distance
1.6 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.