Finland · 1991–2020 normal

Koria in
December.

Typical December weather in Koria: -1.2°C by day, -6.1°C at night, 66 mm of rain over 13.6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-1.2°C
Typical low-6.1°C
Rain66 mm
Wet days13.6

Comfort score 5 this month (July leads the year at 83). Daylight is calculated as 5 h 38 from latitude 60.85°.

Event window

Long northern nights in December

At 60.8° the calculated mid-month daylight is 5 h 38. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -6.1°C.

Event window

Frost-level nights in December

The measured night-time normal is -6.1°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 651514
NOAA station
FIE00143041 · KOUVOLA UTTI LENTOPORTINTIE
Station distance
18.9 km from the place centre
Coverage
Strong coverage · 27 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.