Climate almanac
Hanko
Uusimaa, Finland · 59.83°, 22.95°
What is the weather like in Hanko in December?
In December, Hanko is typically 38°F (3°C) during the day and 34°F (1°C) at night. The month brings about 3.0 in (75 mm) of precipitation in total. Snowfall averages about 5.4 in (137 mm) over the month.
- Average high38°F (3°C)
- Average low34°F (1°C)
- Precipitation3.0 in (75 mm)
- Clear or mostly clear days2
- Snowfall5.4 in (137 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)