Finland · 1991–2020 normal
Lammi in
January.
Typical January weather in Lammi: -3.1°C by day, -8.6°C at night, 49 mm of rain over 11.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-3.1°C
Typical low-8.6°C
Rain49 mm
Wet days11.7
Comfort score 5 this month (July leads the year at 75). Daylight is calculated as 6 h 21 from latitude 61.08°.
Event window
Long northern nights in January
At 61.1° the calculated mid-month daylight is 6 h 21. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in January. Typical nights are -8.6°C.
Event window
Frost-level nights in January
The measured night-time normal is -8.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 649223
- NOAA station
- FIE00142871 · HAMEENLINNA LAMMI PAPPILA
- Station distance
- 3.5 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.