Helsinki Weather in October
8.3°C high · 3.4°C low · 74 mm rain · 1.7h sun
Oct is a cool month in Helsinki — not peak season, but a good time to avoid crowds.
October at a glance
| Metric | Value |
|---|---|
| Average high | 8.3°C |
| Average low | 3.4°C |
| Rainfall | 74 mm |
| Sunshine | 1.7 hours/day |
| Daylight | 9.7 hours |
What to pack in October
Pack a warm coat and layers for Helsinki in October.
Helsinki weather by month
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Frequently asked questions
What is the weather in Helsinki in October?
Highs of 8.3°C and lows of 3.4°C, with about 74 mm of rain and 1.7 hours of sunshine per day.
Is October a good time to visit Helsinki?
Oct 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.