Finland · 1991–2020 normal
Hämeenkoski in
December.
Typical December weather in Hämeenkoski: -1°C by day, -5.6°C at night, 53 mm of rain over 12.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-1°C
Typical low-5.6°C
Rain53 mm
Wet days12.2
Comfort score 5 this month (July leads the year at 75). Daylight is calculated as 5 h 34 from latitude 61.02°.
Event window
Long northern nights in December
At 61.0° the calculated mid-month daylight is 5 h 34. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -5.6°C.
Event window
Frost-level nights in December
The measured night-time normal is -5.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 651073
- NOAA station
- FIE00142871 · HAMEENLINNA LAMMI PAPPILA
- Station distance
- 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.