What to pack for Helsinki in October
- a warm coat, hat and gloves
- a compact umbrella or rain shell — rain is frequent
Humidity averages 84%; max daily wind around 25 km/h.
How October compares
Best months in Helsinki: June. See the full best time to visit Helsinki guide.
Helsinki in October: the details
In October, Helsinki sees average daytime highs of 10°C (49°F) and overnight lows of 5°C (42°F). Rainfall totals roughly 88 mm across 14.3 rainy days, and the sun shines about 5 hours per day with 9.7 hours of daylight mid-month. Relative humidity averages 84%.
In context: October is the 6th-warmest month and the second-wettest in Helsinki. The sunniest month is June (15.4 h/day).
| Metric | October average |
|---|---|
| Daytime high | 10°C / 49°F |
| Overnight low | 5°C / 42°F |
| Rainfall | 88 mm over 14.3 rainy days |
| Sunshine | 5 h/day (9.7 h daylight) |
| Humidity | 84% |
| Travel score | 3.0 / 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 October ranked by travel score.
Frequently asked questions
How hot is Helsinki in October?
Daytime highs in Helsinki in October average 10°C (49°F); nights drop to about 5°C.
Does it rain in Helsinki in October?
Expect around 14.3 rainy days and 88 mm of rainfall in October.
Is October a good time to visit Helsinki?
October is a challenging month to visit Helsinki — consider June instead. Overall travel score: 3.0/10. The best months are June.
Also good in October, near Helsinki
Where should you go next month?
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