Finland · 1991–2020 normal

Hiekkaharju in
January.

Typical January weather in Hiekkaharju: -1.8°C by day, -7.1°C at night, 54 mm of rain over 11.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-1.8°C
Typical low-7.1°C
Rain54 mm
Wet days11.9

Comfort score 5 this month (July leads the year at 85). Daylight is calculated as 6 h 34 from latitude 60.30°. Open-water sea temperature is 2.0°C (20 km from the place centre).

Event window

Long northern nights in January

At 60.3° the calculated mid-month daylight is 6 h 34. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in January. Typical nights are -7.1°C.

Event window

Frost-level nights in January

The measured night-time normal is -7.1°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 658076
NOAA station
FIE00142080 · VANTAA HELSINKI-VANTAAN LENTOA
Station distance
5.3 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.