Finland · 1991–2020 normal
Ylihärmä in
December.
Typical December weather in Ylihärmä: -0.9°C by day, -7.1°C at night, 37 mm of rain over 8.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Comfort score 5 this month (July leads the year at 76). Daylight is calculated as 4 h 42 from latitude 63.15°. Open-water sea temperature is 2.6°C (41 km from the place centre).
Event window
Long northern nights in December
At 63.1° the calculated mid-month daylight is 4 h 42. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -7.1°C.
Event window
Frost-level nights in December
The measured night-time normal is -7.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 630956
- NOAA station
- FIE00144407 · KAUHAVA LENTOKENTTA
- Station distance
- 13.6 km from the place centre
- Coverage
- Good coverage · 24 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
From evidence to a booked trip
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