Tallinn weather in August 2025

Expect daytime maximum temperatures of 20°C in Tallinn, Estonia in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 80 mm of rainfall in the month.

  • 20°C maximum daytime temperature in August in Tallinn20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in August in Tallinn15
    15 days with some rainfall
  • 11°C minimum night-time temperature in August in Tallinn11
    11°C min night temperature
  • 15 hours of daylight per day in August in Tallinn15
    15 hours of daylight per day
  • No heat & humidity in August in Tallinn0
    No heat & humidity
  • 80 mm monthly rainfall in August in Tallinn80
    80 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Tallinn4
    4 (Moderate) UV index
  • 17°C sea temperature in August in Tallinn17
    17°C sea temperature

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The August 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 hot is it in Tallinn in August?

Daytime temperatures usually reach 20°C in Tallinn in August, falling to 11°C at night.

How sunny is it in Tallinn in August?

There are normally 7 hours of bright sunshine each day in Tallinn in August - that's 47% of daylight hours.

How warm is the sea around Tallinn in August?

The average sea temperature around Tallinn in August is 17°C.

Does it rain in Tallinn in August?

There are usually 15 days with some rain in Tallinn in August and the average monthly rainfall is 80mm.

Tallinn August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:06 20:47
Saturday, 16th August 2025 04:41 20:08
Sunday, 31st August 2025 05:15 19:26

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