Helsinki weather in October
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Helsinki October weather at a glance
In October, Helsinki averages 8.3°C, with typical highs of 10.4°C and lows of 6.1°C. The historical average is 12 wet days and 83% humidity.
Helsinki October temperature & humidity
Helsinki October rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Helsinki in October
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.
- DaytimeWarm coat and layered tops · average high 10.4°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 6.1°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Helsinki October sunrise & sunset times
2026 October · Local time (Europe/Helsinki)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-10-01 | 07:26 | 18:53 | 11h 28m |
| 2026-10-15 | 08:00 | 18:11 | 10h 12m |
| 2026-10-31 | 07:40 | 16:26 | 8h 46m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Helsinki
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
October weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Helsinki weather like in October?
In October, Helsinki averages 8.3°C, with typical highs of 10.4°C and lows of 6.1°C. The historical average is 12 wet days and 83% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Helsinki in October?
There are about 12 wet days in October. A compact umbrella is still useful.
What should I wear in Helsinki in October?
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Helsinki?
Recent weather data rates May among the more comfortable months.
Where can I check Helsinki weather in October in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Helsinki in October?
On 2026-10-15, calculated sunrise is 08:00 and sunset is 18:11 in local time (Europe/Helsinki). Times vary by date and terrain.
Helsinki weather by month
More Europe destinations in October
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations