Finland · 1991–2020 normal
Replot in
December.
Typical December weather in Replot: 1°C by day, -2.5°C at night, 47 mm of rain over 9.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high1°C
Typical low-2.5°C
Rain47 mm
Wet days9.8
Comfort score 5 this month (July leads the year at 73). Daylight is calculated as 4 h 40 from latitude 63.23°. Open-water sea temperature is 2.7°C (12 km from the place centre).
Event window
Long northern nights in December
At 63.2° the calculated mid-month daylight is 4 h 40. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -2.5°C.
Event window
Frost-level nights in December
The measured night-time normal is -2.5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 639522
- NOAA station
- FIE00144222 · MUSTASAARI VALASSAARET
- Station distance
- 28.8 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.