ClimateForecastMayJune >>

Helsinki weather in May (Southern Finland, Finland)

What kind of temperatures can you expect in Helsinki during May? See what weather conditions to anticipate this month with our guide.

Temperatures

The month of May in Helsinki typically includes moderate temperatures and moderate rainfall. Anticipate daytime highs near 16°C, and cooler nights with temperatures around 6°C.

Precipitation

Helsinki in May usually receives moderate rainfall, averaging around 48 mm for the month. On average, there are about 10 days with rain during this month.

Average sunshine

The days are predominantly sunny, with an estimated total of around 275 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

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 and which places have the best travel 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 this month?

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.

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

Interested in more climate information?

This site 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 travel conditions. Find out where to go with our weather planner.