Finland · 1991–2020 normal
Keminmaa in
December.
Typical December weather in Keminmaa: -3.6°C by day, -10.4°C at night, 60 mm of rain over 12 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-3.6°C
Typical low-10.4°C
Rain60 mm
Wet days12
Comfort score 5 this month (July leads the year at 74). Daylight is calculated as 3 h 04 from latitude 65.80°. Open-water sea temperature is 1.3°C (20 km from the place centre).
Event window
Long northern nights in December
At 65.8° the calculated mid-month daylight is 3 h 04. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -10.4°C.
Event window
Frost-level nights in December
The measured night-time normal is -10.4°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 653280
- NOAA station
- SW000002196 · HAPARANDA
- Station distance
- 18.5 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.