Helsinki weather in April 2025

Expect 7°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Helsinki in April. Check more long-term weather averages for Helsinki in April before you book your next holiday to Finland in 2025/2026.

  • 7°C maximum daytime temperature in April in Helsinki7
    7°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in April in Helsinki13
    13 days with some rainfall
  • -1°C minimum night-time temperature in April in Helsinki-1
    -1°C min night temperature
  • 15 hours of daylight per day in April in Helsinki15
    15 hours of daylight per day
  • No heat & humidity in April in Helsinki0
    No heat & humidity
  • 37 mm monthly rainfall in April in Helsinki37
    37 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in April in Helsinki3
    3 (Moderate) UV index
  • 0°C sea temperature in April in Helsinki0
    0°C sea temperature

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The April weather guide for Finland (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.

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

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How cold is it in Helsinki in April?

Daytime temperatures usually reach 7°C in Helsinki in April, falling to -1°C at night.

How sunny is it in Helsinki in April?

There are normally 6 hours of bright sunshine each day in Helsinki in April - that's 38% of daylight hours.

Is the sea cold around Helsinki in April?

The average sea temperature around Helsinki in April is 0°C.

Does it rain in Helsinki in April?

There are usually 13 days with some rain in Helsinki in April and the average monthly rainfall is 37mm.

Helsinki April sunrise & sunset times

Browse the sunrise and sunset times for Helsinki in April 2025. Select a month to view Helsinki sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:45 19:05
Tuesday, 15th April 2025 05:03 19:39
Wednesday, 30th April 2025 04:20 20:17

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