Finland · 1991–2020 normal
Iitti in
December.
Typical December weather in Iitti: -0.9°C by day, -6.4°C at night, 49 mm of rain over 11.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.9°C
Typical low-6.4°C
Rain49 mm
Wet days11.3
Comfort score 5 this month (July leads the year at 77). Daylight is calculated as 5 h 37 from latitude 60.89°.
Event window
Long northern nights in December
At 60.9° the calculated mid-month daylight is 5 h 37. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -6.4°C.
Event window
Frost-level nights in December
The measured night-time normal is -6.4°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 656807
- NOAA station
- FIE00142866 · ORIMATTILA KAKELA
- Station distance
- 32.2 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.