Finland · 1991–2020 normal
Hanko in
December.
Typical December weather in Hanko: 2.8°C by day, -0.8°C at night, 65 mm of rain over 11.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high2.8°C
Typical low-0.8°C
Rain65 mm
Wet days11.9
Comfort score 5 this month (July leads the year at 82). Daylight is calculated as 5 h 58 from latitude 59.83°. Open-water sea temperature is 5.0°C (6 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -0.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 659101
- NOAA station
- FIE00141925 · HANKO RUSSARO
- Station distance
- 6.7 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.