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
  20°C max day temperature
• 7
  7 hours of sunshine per day
• 13
  13 days with some rainfall
• 11
  11°C min night temperature
• 15
  15 hours of daylight per day
• 0
  No heat & humidity
• 71
  71 mm of monthly rainfall
• 5
  5 (Moderate) UV index
• 19
  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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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.

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