Finland · 1991–2020 normal
Nastola in
December.
Typical December weather in Nastola: -1°C by day, -6.2°C at night, 50 mm of rain over 12.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-1°C
Typical low-6.2°C
Rain50 mm
Wet days12.1
Comfort score 5 this month (July leads the year at 80). Daylight is calculated as 5 h 36 from latitude 60.95°.
Event window
Long northern nights in December
At 60.9° the calculated mid-month daylight is 5 h 36. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -6.2°C.
Event window
Frost-level nights in December
The measured night-time normal is -6.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 645035
- NOAA station
- FIE00142861 · LAHTI LAUNE
- Station distance
- 16 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.