May · Poland
Best time to visit Gdynia in May Weather, crowds & prices
Weather in Gdynia in May
Average temperature 12°C, 33 mm of rain, about 27 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
6.2/10
Ranked #4 of 12 months
- Avg temp
- 12°C
- Rainfall
- 33 mm
- Humidity
- 77%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Gdynia scores 6.2/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 12°C, 33 mm of rain, and roughly 27 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.
May in Gdynia: mixed conditions, plan around the weather
May averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 27 days with 6+ hours of sunshine and 15.8 daylight hours.
It scores 6.2/10 here, 4th of 12 months, against 6.8/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Gdynia in May?
- In May, Gdynia averages 12°C, 33 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is May a good time to visit Gdynia?
- May earns a 6.2/10 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 May?
- Expect about 33 mm of rain in May. Average humidity is 77% and there are about 27 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.