Helsinki weather in May (Southern Finland, Finland)

Looking to travel to Helsinki in May? Check out this comprehensive weather guide.

In May, Helsinki typically experiences moderate temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 16°C. But by evening, they drop to around 6°C.

Helsinki in May usually receives moderate rainfall, averaging around 48 mm for the month. Typically around 10 days of rainfall is expected.

The days are predominantly sunny, with an estimated total of around 275 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If your ideal day consists of dry skies and moderate temperatures June, July and August generally stand out with the best circumstances. While January, February, March, April, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Helsinki climate page with graphs.

 

Helsinki, monthly averages in May

Min TemperatureMin Temperature 6°C  
Max TemperatureMax Temperature 16°C  
Water TemperatureWater Temperature 4°C  
Chance of RainChance of Rain 34%  
PrecipitationPrecipitation 48 mm  
Rainy daysRainy days 10 days  
HumidityHumidity 65%  
WindspeedWindspeed 11 km/h  
SunshineSunshine 275 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Finland in May

Find out more about the weather in Finland in May and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Helsinki in May?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 4°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Cycling
6/10
Walking
6/10
Camping
5/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Helsinki.

Our site offers climate and forecast data for every country in the world. Are you going to Finland? On this website you can find historical weather averages for many cities in Finland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.