Helsinki weather in July 2025

Expect daytime maximum temperatures of 21°C in Helsinki, Finland in July based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 67 mm of rainfall in the month.

  • 21°C maximum daytime temperature in July in Helsinki21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in July in Helsinki14
    14 days with some rainfall
  • 12°C minimum night-time temperature in July in Helsinki12
    12°C min night temperature
  • 18 hours of daylight per day in July in Helsinki18
    18 hours of daylight per day
  • No heat & humidity in July in Helsinki0
    No heat & humidity
  • 67 mm monthly rainfall in July in Helsinki67
    67 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in July in Helsinki5
    5 (Moderate) UV index
  • 12°C sea temperature in July in Helsinki12
    12°C sea temperature

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The July 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 hot is it in Helsinki in July?

Daytime temperatures usually reach 21°C in Helsinki in July, falling to 12°C at night.

How sunny is it in Helsinki in July?

There are normally 8 hours of bright sunshine each day in Helsinki in July - that's 47% of daylight hours.

How warm is the sea around Helsinki in July?

The average sea temperature around Helsinki in July is 12°C.

Does it rain in Helsinki in July?

There are usually 14 days with some rain in Helsinki in July and the average monthly rainfall is 67mm.

Helsinki July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 03:01 21:47
Wednesday, 16th July 2025 03:24 21:27
Thursday, 31st July 2025 03:58 20:54

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