Finland · 1991–2020 normal
Tervo in
December.
Typical December weather in Tervo: -2.6°C by day, -8.1°C at night, 56 mm of rain over 12.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-2.6°C
Typical low-8.1°C
Rain56 mm
Wet days12.2
Comfort score 5 this month (July leads the year at 70). Daylight is calculated as 4 h 48 from latitude 62.95°.
Event window
Long northern nights in December
At 63.0° the calculated mid-month daylight is 4 h 48. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -8.1°C.
Event window
Frost-level nights in December
The measured night-time normal is -8.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 634604
- NOAA station
- FIE00144637 · VESANTO SONKARI
- Station distance
- 16.6 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.