Helsinki weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Helsinki May weather at a glance
In May, Helsinki averages 10.8°C, with typical highs of 14.4°C and lows of 6.6°C. The historical average is 7 wet days and 68% humidity.
Helsinki May temperature & humidity
Helsinki May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Helsinki in May
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day.
- DaytimeLong sleeves and a light jacket · average high 14.4°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 6.6°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Helsinki May sunrise & sunset times
2026 May · Local time (Europe/Helsinki)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 05:18 | 21:19 | 16h 1m |
| 2026-05-15 | 04:42 | 21:53 | 17h 12m |
| 2026-05-31 | 04:10 | 22:28 | 18h 18m |
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
Helsinki travel updates
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Forecast · Windy. Monthly averages are in the Temperature section.
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Helsinki travel essentials
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Best months to visit Helsinki
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May 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 May?
In May, Helsinki averages 10.8°C, with typical highs of 14.4°C and lows of 6.6°C. The historical average is 7 wet days and 68% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Helsinki in May?
There are about 7 wet days in May. A compact umbrella is still useful.
What should I wear in Helsinki in May?
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day.
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 May 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 May?
On 2026-05-15, calculated sunrise is 04:42 and sunset is 21:53 in local time (Europe/Helsinki). Times vary by date and terrain.
Helsinki weather by month
More Europe destinations in May
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