Helsinki Weather in December
0°C high · -5.1°C low · 57 mm rain · 0.2h sun
Dec is a cool month in Helsinki — not peak season, but a good time to avoid crowds.
December at a glance
| Metric | Value |
|---|---|
| Average high | 0°C |
| Average low | -5.1°C |
| Rainfall | 57 mm |
| Sunshine | 0.2 hours/day |
| Daylight | 5.5 hours |
What to pack in December
Pack a warm coat and layers for Helsinki in December.
Helsinki weather by month
JanFebMarAprMayJunJulAugSepOctNovDec
Frequently asked questions
What is the weather in Helsinki in December?
Highs of 0°C and lows of -5.1°C, with about 57 mm of rain and 0.2 hours of sunshine per day.
Is December a good time to visit Helsinki?
Dec is a cool month in Helsinki — not peak season, but a good time to avoid crowds.
What to do in Helsinki · Best time to visit Helsinki
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.