August · Poland
Best time to visit Gdynia in August Weather, crowds & prices
Weather in Gdynia in August
Average temperature 20°C, 82 mm of rain, about 18 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
6.8/10
Ranked #1 of 12 months
- Avg temp
- 20°C
- Rainfall
- 82 mm
- Humidity
- 78%
- Days with 6h+ sun
- 18
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Gdynia scores 6.8/10 for beach and coastal travel - the single best month of the year. Expect around 20°C, 82 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
Gdynia grew as Poland's modern port, with modernist architecture, a long beach and the Błyskawica destroyer.
August in Gdynia — the year's strongest window
August averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 82 mm, so plan one flexible day in three; you still get about 18 days with 6+ hours of sunshine and 14.7 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Gdynia at 6.8/10 — the reference point every other month on this page is measured against.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Gdynia in August?
- In August, Gdynia averages 20°C, 82 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 6.8/10.
- Is August a good time to visit Gdynia?
- August earns a 6.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Gdynia in August?
- Expect about 82 mm of rain in August. Average humidity is 78% and there are about 18 days with 6+ hours of sunshine.
Curated in Gdynia
Tickets & experiences
Things to do in Gdynia
Gdynia, Poland. Live activities and tours from GetYourGuide, matched to this destination.