Finland · 1991–2020 normal
Haapajärvi in
December.
Typical December weather in Haapajärvi: -2.9°C by day, -8.4°C at night, 40 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-2.9°C
Typical low-8.4°C
Rain40 mm
Wet days9.7
Comfort score 5 this month (July leads the year at 73). Daylight is calculated as 4 h 24 from latitude 63.75°.
Event window
Long northern nights in December
At 63.8° the calculated mid-month daylight is 4 h 24. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -8.4°C.
Event window
Frost-level nights in December
The measured night-time normal is -8.4°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 659681
- NOAA station
- FIE00145242 · HAAPAVESI MUSTIKKAMAKI
- Station distance
- 43.8 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.