Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | -1.2 °C | 2.3 °C | 14 days | Unfavourable season |
| February | -0.5 °C | 1.3 °C | 12 days | Unfavourable season |
| March | 1.9 °C | 1.4 °C | 11 days | Unfavourable season |
| April | 7.2 °C | 3 °C | 10 days | Unfavourable season |
| May | 13.7 °C | 7.2 °C | 9 days | Possible, with trade-offs |
| June | 18.8 °C | 12.8 °C | 10 days | Possible, with trade-offs |
| July | 20.5 °C | 16.5 °C | 13 days | Pleasant — a good time to go |
| August | 19.9 °C | 17.4 °C | 13 days | Pleasant — a good time to go |
| September | 15.4 °C | 15.2 °C | 11 days | Possible, with trade-offs |
| October | 9.1 °C | 11.1 °C | 13 days | Unfavourable season |
| November | 4.4 °C | 7.7 °C | 14 days | Unfavourable season |
| December | 1.3 °C | 4.7 °C | 14 days | Unfavourable season |
Before you go
Three things to check once you have picked your dates.
Entry
Finland is in the European Union. Entry rules depend on your nationality — check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 11 August 2026
Health
Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.
Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.
FAQ
Can you swim in Helsinki in November?
The sea averages 7.7°C in November — too cold for most swimmers.
How hot is Helsinki in November?
Expect 4.4°C in the afternoon and 1.1°C at night, averaged over the last 10 years.
Does it rain a lot in Helsinki in November?
Around 14 days with rain (≥ 1 mm) in the month — 47% of days.