Gdańsk Weather in May
May in Gdańsk brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 8°C (46°F). Rainfall is on the higher side this month, averaging around 64 mm (2.5 in), so keep a rain jacket handy.
Rainfall in Gdańsk in May
Historically, approximately 11 days this month are expected to have rain, averaging 64 mm (2.5 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Gdańsk in May
May in Gdańsk brings typical temperatures with highs around 17°C (63°F) and lows of 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Gdańsk in May
The days are predominantly sunny, with an estimated total of around 239 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Gdańsk in May
May has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.
Average water temperature in May
The water sits at 7°C (45°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.For Gdańsk itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Gdańsk's climate page.
Gdańsk Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Water Temperature
7°C (45°F)
Chance of Rain
37%
Precipitation
64 mm (2.5 in)
Rainy days
11 days
Humidity
72%
Windspeed
3 m/s (6 knots)
Sunshine
239 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gdańsk typically rise from around 14°C (57°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Gdańsk in May
Browse day-by-day weather records for Gdańsk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gdańsk historical weather extremes in May
Our historical data for Gdańsk spans 1976 to 2026, revealing these weather extremes.
- The warmest day in May was on May 31, 2011, with a maximum of 30°C (86°F).
- Gdańsk experienced its chilliest May day on May 10, 1978, reaching only 3°C (37°F).
- Gdańsk registered its coldest May night on May 2, 2007, with temperatures dropping to -4°C (25°F).
Best Places in Poland in May
Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in May →
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What to Wear in Gdańsk in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 7°C (45°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Gdańsk in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Gdańsk's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Gdańsk climate overview or explore weather in Poland.
