Finland · 1991–2020 normal
Vaala in
December.
Typical December weather in Vaala: -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 3 h 57 from latitude 64.57°.
Event window
Long northern nights in December
At 64.6° the calculated mid-month daylight is 3 h 57. 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 633096
- NOAA station
- FIE00145677 · VAALA PELSO
- Station distance
- 20.7 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.