Finland · 1991–2020 normal
Piikkiö in
December.
Typical December weather in Piikkiö: 1.1°C by day, -4.1°C at night, 68 mm of rain over 11.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high1.1°C
Typical low-4.1°C
Rain68 mm
Wet days11.9
Comfort score 5 this month (July leads the year at 80). Daylight is calculated as 5 h 47 from latitude 60.42°. Open-water sea temperature is 4.6°C (34 km from the place centre).
Event window
Long northern nights in December
At 60.4° the calculated mid-month daylight is 5 h 47. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -4.1°C.
Event window
Frost-level nights in December
The measured night-time normal is -4.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 641651
- NOAA station
- FIE00141935 · KAARINA YLTOINEN
- Station distance
- 4.7 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.