Finland weather in May 2020

  • 15°C maximum daytime temperature in May in Finland (Helsinki)15
    15°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Finland (Helsinki)10
    10 days with some rainfall
  • 5°C minimum night-time temperature in May in Finland (Helsinki)5
    5°C min night temperature
  • 17 hours of daylight per day in May in Finland (Helsinki)17
    17 hours of daylight per day
  • No heat & humidity in May in Finland (Helsinki)0
    No heat & humidity
  • 33 mm monthly rainfall in May in Finland (Helsinki)33
    33 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Finland (Helsinki)4
    4 (Moderate) UV index
  • 5°C sea temperature in May in Finland (Helsinki)5
    5°C sea temperature
  • Top deals & discounts
  • Finland weather overview
  • Finland climate averages by month
  • More destinations
  • Best time to go to Finland
  • Finland 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The May weather guide for Finland, represented by Helsinki, shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Save on skiing holidays to Finland (Lapland) from Crystal Ski
  • Ski deals available from £556 per person
  • Filter by promotional offers, duration, board basis & more

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Finland weather in May

The average maximum daytime temperature in Finland in May is a comfortable 15°C (59°F). The average night-time temperature is usually a cold 5°C (41°F). There are usually 8 hours of bright sunshine each day, which represents 48% of the 17 hours of daylight.

Expect 33mm (1.3 inches) of rainfall across the whole of May with 10 days with some rain falling. Maximum UV levels will be moderate (4 UV index) at midday when the skies are clear.

The average sea temperature in and around Finland in May is 5°C (41°F).

The weather in Finland in May is represented by Helsinki.

Finland sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Finland in May 2020. Select a month to view Finland sunrise & sunset times for the next twelve months. The Finland sunrise & sunset times shown below are for Helsinki.


Date Sunrise times Sunset times
Friday, 1st May 2020 05:16 21:20
Saturday, 16th May 2020 04:38 21:57
Sunday, 31st May 2020 04:09 22:28
  • Stay at Holiday Inn hotels with Open Lobby in 2019/2020
  • Enjoy coffee, drinks, snacks, dinner & entertainment
  • Open Lobby hotels available in the UK & across Europe

Back to top

More Finland destinations

All Finland destinations >>

Related posts

Popular travel offers

Top ^