Finland · 1991–2020 normal

Kestilä in
December.

Typical December weather in Kestilä: -3.4°C by day, -9.8°C at night, 44 mm of rain over 10.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-3.4°C
Typical low-9.8°C
Rain44 mm
Wet days10.7

Comfort score 5 this month (July leads the year at 66). Daylight is calculated as 4 h 05 from latitude 64.35°.

Event window

Long northern nights in December

At 64.4° the calculated mid-month daylight is 4 h 05. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -9.8°C.

Event window

Frost-level nights in December

The measured night-time normal is -9.8°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 653039
NOAA station
FIE00145677 · VAALA PELSO
Station distance
18.2 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.