Tallinn weather in May 2026

Expect daytime maximum temperatures of 15°C in Tallinn, Estonia in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall.

  • 15°C maximum daytime temperature in May in Tallinn15
    15°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Tallinn11
    11 days with some rainfall
  • 5°C minimum night-time temperature in May in Tallinn5
    5°C min night temperature
  • 17 hours of daylight per day in May in Tallinn17
    17 hours of daylight per day
  • No heat & humidity in May in Tallinn0
    No heat & humidity
  • 38 mm monthly rainfall in May in Tallinn38
    38 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Tallinn4
    4 (Moderate) UV index
  • 5°C sea temperature in May in Tallinn5
    5°C sea temperature

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The May weather guide for Estonia (Tallinn) 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 warm is it in Tallinn in May?

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

How sunny is it in Tallinn in May?

There are normally 9 hours of bright sunshine each day in Tallinn in May - that's 51% of daylight hours.

Is the sea cold around Tallinn in May?

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

Does it rain in Tallinn in May?

There are usually 11 days with some rain in Tallinn in May and the average monthly rainfall is 38mm.

Tallinn May sunrise & sunset times

Browse the sunrise and sunset times for Tallinn in May 2026. Select a month to view Tallinn sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:22 20:16
Saturday, 16th May 2026 03:45 20:51
Sunday, 31st May 2026 03:17 21:21

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