Finland · 1991–2020 normal
Salla in
December.
Typical December weather in Salla: -5.4°C by day, -12.7°C at night, 37 mm of rain over 10.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-5.4°C
Typical low-12.7°C
Rain37 mm
Wet days10.6
Comfort score 5 this month (July leads the year at 66). Daylight is calculated as 1 h 58 from latitude 66.83°.
Event window
Long northern nights in December
At 66.8° the calculated mid-month daylight is 1 h 58. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -12.7°C.
Event window
Frost-level nights in December
The measured night-time normal is -12.7°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 638074
- NOAA station
- FIE00146378 · SALLA KK MYLLYTIE
- Station distance
- 0.5 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.