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Helsinki weather in May 2020
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- 1515°C max day temperature
- 1010 days with some rainfall
- 55°C min night temperature
- 1717 hours of daylight per day
- 0No heat & humidity
- 3333 mm of monthly rainfall
- 44 (Moderate) UV index
- 55°C sea temperature
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.
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)
Where's warm in Finland in May?
Below are average maximum temperatures at popular destinations in Finland in May. Select a destination to see more weather parameters.
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