Finland · 1991–2020 normal
Karis in
December.
Typical December weather in Karis: 1.8°C by day, -1.9°C at night, 43 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high1.8°C
Typical low-1.9°C
Rain43 mm
Wet days9.7
Comfort score 5 this month (July leads the year at 83). Daylight is calculated as 5 h 54 from latitude 60.07°. Open-water sea temperature is 4.8°C (22 km from the place centre).
Event window
Long northern nights in December
At 60.1° the calculated mid-month daylight is 5 h 54. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -1.9°C.
Event window
Frost-level nights in December
The measured night-time normal is -1.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 654047
- NOAA station
- FIE00142085 · INKOO BAGASKAR
- Station distance
- 25.2 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.