Finland · 1991–2020 normal
Suomussalmi in
December.
Typical December weather in Suomussalmi: -4.5°C by day, -10.6°C at night, 58 mm of rain over 12.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-4.5°C
Typical low-10.6°C
Rain58 mm
Wet days12.8
Comfort score 5 this month (July leads the year at 66). Daylight is calculated as 3 h 45 from latitude 64.89°.
Event window
Long northern nights in December
At 64.9° the calculated mid-month daylight is 3 h 45. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -10.6°C.
Event window
Frost-level nights in December
The measured night-time normal is -10.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 635696
- NOAA station
- FIE00145787 · SUOMUSSALMI PESIO
- Station distance
- 8.9 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.