Finland · 1991–2020 normal
Pertunmaa in
January.
Typical January weather in Pertunmaa: -3.5°C by day, -9.2°C at night, 45 mm of rain over 12.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-3.5°C
Typical low-9.2°C
Rain45 mm
Wet days12.3
Comfort score 5 this month (July leads the year at 73). Daylight is calculated as 6 h 14 from latitude 61.50°.
Event window
Long northern nights in January
At 61.5° the calculated mid-month daylight is 6 h 14. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in January. Typical nights are -9.2°C.
Event window
Frost-level nights in January
The measured night-time normal is -9.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 642077
- NOAA station
- FIE00143927 · PERTUNMAA LAUKKALA
- Station distance
- 8.8 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.