Finland · 1991–2020 normal

Röykkä in
January.

Typical January weather in Röykkä: -2.9°C by day, -7.8°C at night, 55 mm of rain over 11.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-2.9°C
Typical low-7.8°C
Rain55 mm
Wet days11.9

Comfort score 5 this month (July leads the year at 81). Daylight is calculated as 6 h 31 from latitude 60.49°. Open-water sea temperature is 2.1°C (40 km from the place centre).

Event window

Long northern nights in January

At 60.5° the calculated mid-month daylight is 6 h 31. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in January. Typical nights are -7.8°C.

Event window

Frost-level nights in January

The measured night-time normal is -7.8°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 638915
NOAA station
FIE00142846 · NURMIJARVI GEOFYSIIKAN OBSERVA
Station distance
2.3 km from the place centre
Coverage
Good coverage · 21 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.