Finland · 1991–2020 normal
Valkeakoski in
December.
Typical December weather in Valkeakoski: -1.8°C by day, -6.7°C at night, 40 mm of rain over 9.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-1.8°C
Typical low-6.7°C
Rain40 mm
Wet days9.8
Comfort score 5 this month (July leads the year at 76). Daylight is calculated as 5 h 29 from latitude 61.26°.
Event window
Long northern nights in December
At 61.3° the calculated mid-month daylight is 5 h 29. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -6.7°C.
Event window
Frost-level nights in December
The measured night-time normal is -6.7°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 632672
- NOAA station
- FIE00142771 · PALKANE MYTTAALA
- Station distance
- 12.6 km from the place centre
- Coverage
- Good coverage · 15 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.