Helsinki weather in May 2020

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  • 15°C maximum daytime temperature in May in Helsinki15
    15°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Helsinki10
    10 days with some rainfall
  • 5°C minimum night-time temperature in May in Helsinki5
    5°C min night temperature
  • 17 hours of daylight per day in May in Helsinki17
    17 hours of daylight per day
  • No heat & humidity in May in Helsinki0
    No heat & humidity
  • 33 mm monthly rainfall in May in Helsinki33
    33 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Helsinki4
    4 (Moderate) UV index
  • 5°C sea temperature in May in Helsinki5
    5°C sea temperature
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The May weather guide for Helsinki, Finland 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.

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How warm is it in Helsinki in May?

Daytime temperatures usually reach 15°C in Helsinki in May, falling to 5°C at night.

How sunny is it in Helsinki in May?

There are normally 8 hours of bright sunshine each day in Helsinki in May - that's 48% of daylight hours.

Is the sea cold around Helsinki in May?

The average sea temperature around Helsinki in May is 5°C.

Does it rain in Helsinki in May?

There are usually 10 days with some rain in Helsinki in May and the average monthly rainfall is 33mm.

Helsinki sunrise & sunset times for May 2020

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


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

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Where is warm in Finland in May for 2020/2021?

Below are average maximum temperatures at popular destinations in Finland in May. Select a destination to see more weather parameters.

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