Finland · 1991–2020 normal
Riihimäki in
January.
Typical January weather in Riihimäki: -2.4°C by day, -8.1°C at night, 53 mm of rain over 11.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-2.4°C
Typical low-8.1°C
Rain53 mm
Wet days11.5
Comfort score 5 this month (July leads the year at 80). Daylight is calculated as 6 h 27 from latitude 60.74°.
Event window
Long northern nights in January
At 60.7° the calculated mid-month daylight is 6 h 27. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in January. Typical nights are -8.1°C.
Event window
Frost-level nights in January
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 639406
- NOAA station
- FIE00142751 · HYVINKAA HYVINKAANKYLA
- Station distance
- 15.9 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.