Finland · 1991–2020 normal
Forssa in
January.
Typical January weather in Forssa: -2.2°C by day, -7.9°C at night, 47 mm of rain over 10.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-2.2°C
Typical low-7.9°C
Rain47 mm
Wet days10.9
Comfort score 5 this month (July leads the year at 77). Daylight is calculated as 6 h 26 from latitude 60.81°.
Event window
Long northern nights in January
At 60.8° the calculated mid-month daylight is 6 h 26. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in January. Typical nights are -7.9°C.
Event window
Frost-level nights in January
The measured night-time normal is -7.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 659935
- NOAA station
- FI000002963 · JOKIOINEN JOKIOISTEN OBSERVATO
- Station distance
- 6.6 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.