Poland
Gdańsk in May: weather, sea & travel advice
This month's data profile
Clear transition month
Gdańsk in May is climatically well suited to city breaks. The average daily high is around 14 °C, and the sea is about 10 °C. With about 10 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
45/100 · #5
Warmth
#5
Dryness
#2
Sun
#2
Sea warmth
#6
Published best categories: none
Gdańsk · MayPhoto: Krzysztof Maria Różański, ( Upior polnocy ) · CC BY-SA 3.0Climate facts
- Average high
- 14 °C
- Average low
- 8 °C
- Sea
- 10 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 80 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| April | 9 | 4 | 9 | 38 | 5.1 | 82 | 3.9 | 6 | 37 |
| May (selected) | 14 | 8 | 10 | 53 | 6.8 | 80 | 3.5 | 10 | 45 |
| June | 18 | 12 | 12 | 58 | 7.2 | 78 | 3.6 | 15 | 54 |
How do the previous and next months compare?
Baseline: May (45/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| April | -8 | -4.8 °C | -4.4 °C | -1.2 | -14.6 mm | -1.7 h | +2.2 % | +0.4 m/s | -4.3 °C |
| June | +9 | +4 °C | +4.4 °C | +1.9 | +5.4 mm | +0.4 h | -1.2 % | +0.1 m/s | +4.8 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Gdańsk in May?
The average daily high is around 14 °C, with an average daily low of about 8 °C.
Can you swim in Gdańsk in May?
The sea is about 10 °C (cold).
Does it rain a lot in Gdańsk in May?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 53 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Gdańsk?
By the climate score, July and August are the strongest months for Gdańsk. May is not among them.