Finland · 1991–2020 normal

Ruohonpää in
January.

Typical January weather in Ruohonpää: -0.9°C by day, -6.2°C at night, 52 mm of rain over 10.6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-0.9°C
Typical low-6.2°C
Rain52 mm
Wet days10.6

Comfort score 5 this month (July leads the year at 86). Daylight is calculated as 6 h 32 from latitude 60.47°. Open-water sea temperature is 2.0°C (34 km from the place centre).

Event window

Long northern nights in January

At 60.5° the calculated mid-month daylight is 6 h 32. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in January. Typical nights are -6.2°C.

Event window

Frost-level nights in January

The measured night-time normal is -6.2°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 842049
NOAA station
FIE00142010 · TURKU ARTUKAINEN
Station distance
2.8 km from the place centre
Coverage
Good coverage · 15 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.