Finland · 1991–2020 normal
Koivula in
December.
Typical December weather in Koivula: 2.1°C by day, -2.6°C at night, 77 mm of rain over 13 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high2.1°C
Typical low-2.6°C
Rain77 mm
Wet days13
Comfort score 5 this month (July leads the year at 86). Daylight is calculated as 5 h 47 from latitude 60.42°. Open-water sea temperature is 4.6°C (33 km from the place centre).
Event window
Long northern nights in December
At 60.4° the calculated mid-month daylight is 5 h 47. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -2.6°C.
Event window
Frost-level nights in December
The measured night-time normal is -2.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 841894
- NOAA station
- FIE00142010 · TURKU ARTUKAINEN
- Station distance
- 7.9 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.