What to pack for Helsinki in December
- serious winter gear: insulated coat, thermal layers
- a compact umbrella or rain shell — rain is frequent
- waterproof boots — snow is likely
Humidity averages 87%; max daily wind around 24 km/h. Snow falls on about 7.2 days.
How December compares
Best months in Helsinki: June. See the full best time to visit Helsinki guide.
Helsinki in December: the details
In December, Helsinki sees average daytime highs of 1°C (33°F) and overnight lows of -3°C (26°F). Rainfall totals roughly 72 mm across 14.8 rainy days, and the sun shines about 1.1 hours per day with 5.5 hours of daylight mid-month. Relative humidity averages 87%.
In context: December is the 10th-warmest month and the 7th-wettest in Helsinki. The sunniest month is June (15.4 h/day).
| Metric | December average |
|---|---|
| Daytime high | 1°C / 33°F |
| Overnight low | -3°C / 26°F |
| Rainfall | 72 mm over 14.8 rainy days |
| Sunshine | 1.1 h/day (5.5 h daylight) |
| Humidity | 87% |
| Travel score | 0.0 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Helsinki, Finland (60.17, 24.94) — see our methodology. Actual conditions vary year to year.
Not set on Helsinki? Browse the best places to visit in December ranked by travel score.
Frequently asked questions
How hot is Helsinki in December?
Daytime highs in Helsinki in December average 1°C (33°F); nights drop to about -3°C.
Does it rain in Helsinki in December?
Expect around 14.8 rainy days and 72 mm of rainfall in December.
Is December a good time to visit Helsinki?
December is a challenging month to visit Helsinki — consider June instead. Overall travel score: 0.0/10. The best months are June.
Also good in December, near Helsinki
Where should you go next month?
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