Gdansk weather in August 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Gdansk in August. Check more long-term weather averages for Gdansk in August before you book your next holiday to Poland in 2025/2026.

  • 20°C maximum daytime temperature in August in Gdansk20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Gdansk13
    13 days with some rainfall
  • 11°C minimum night-time temperature in August in Gdansk11
    11°C min night temperature
  • 15 hours of daylight per day in August in Gdansk15
    15 hours of daylight per day
  • No heat & humidity in August in Gdansk0
    No heat & humidity
  • 71 mm monthly rainfall in August in Gdansk71
    71 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Gdansk5
    5 (Moderate) UV index
  • 19°C sea temperature in August in Gdansk19
    19°C sea temperature

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The August weather guide for Poland (Gdansk) 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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More about Poland

How hot is it in Gdansk in August?

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

How sunny is it in Gdansk in August?

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

How warm is the sea around Gdansk in August?

The average sea temperature around Gdansk in August is 19°C.

Does it rain in Gdansk in August?

There are usually 13 days with some rain in Gdansk in August and the average monthly rainfall is 71mm.

Gdansk August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 03:57 19:45
Saturday, 16th August 2025 04:24 19:14
Sunday, 31st August 2025 04:51 18:39

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