Gdańsk weather by month & the best time to visit
Poland · city break · oceanic / maritime climate
The best time to visit Gdańsk is August — its sunniest month (Sunshine Score 75/100), with July close behind. Gdańsk averages about 1,636 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 71 mm of rain in August.
When is the best time to visit Gdańsk?
For sunshine, the best time to visit Gdańsk is August, then July. The dullest month is January (0/100, 58 mm of rain). The full month-by-month picture is in the table below.
How sunny is Gdańsk?
Gdańsk isn't a sunny place by world standards: about 1,636 hours of sunshine a year. 75 Sunshine Score points separate August (75) from January (0), so the month you pick matters. It ranks #6 of 14 destinations in Poland for annual sunshine, above the national median of 1,626 hours. The year's 714 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 0° / 32°F | -3° / 27°F | 58 mm | 0 | 2° / 36°F |
| February | 0 | 1° / 34°F | -3° / 27°F | 42 mm | 1 | 3° / 37°F |
| March | 0 | 4° / 39°F | -1° / 30°F | 44 mm | 2 | 4° / 39°F |
| April | 7 | 9° / 48°F | 3° / 37°F | 36 mm | 3 | 7° / 45°F |
| May | 39 | 14° / 57°F | 8° / 46°F | 55 mm | 4 | 12° / 54°F |
| June | 64 | 18° / 64°F | 12° / 54°F | 58 mm | 5 | 18° / 64°F |
| July | 72 | 20° / 68°F | 15° / 59°F | 86 mm | 5 | 20° / 68°F |
| August | 75 | 21° / 70°F | 15° / 59°F | 71 mm | 4 | 21° / 70°F |
| September | 57 | 17° / 63°F | 12° / 54°F | 63 mm | 3 | 19° / 66°F |
| October | 19 | 11° / 52°F | 7° / 45°F | 67 mm | 1 | 14° / 57°F |
| November | 0 | 6° / 43°F | 3° / 37°F | 69 mm | 0 | 9° / 48°F |
| December | 0 | 2° / 36°F | 0° / 32°F | 65 mm | 0 | 5° / 41°F |
Sea temperature in Gdańsk by month
The sea off Gdańsk is warmest in August at around 21°C / 70°F, and coolest in January at 2°C / 36°F. The water sits at a comfortable 21°C or warmer roughly 1 month a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Gdańsk compares month by month: Gdańsk vs Poznań · Gdańsk vs Kaliningrad · Gdańsk vs Bydgoszcz · all comparisons
Gdańsk: questions and answers
What kind of destination is Gdańsk?
Gdańsk is a city break in Poland with a oceanic / maritime climate — the sea reaches 21°C at its warmest and is swimmable (21°C+) about 1 months a year.
How many hours of sunshine does Gdańsk get a year?
Gdańsk gets about 1,636 hours of sunshine a year, at its best around August.
When is the best time to visit Gdańsk?
The sunniest time to visit Gdańsk is August, when the Sunshine Score peaks at 75/100 (with July close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Gdańsk?
January is the least sunny month in Gdańsk, scoring 0/100 with about 58 mm of rain.
What is the sea temperature in Gdańsk?
The sea in Gdańsk ranges from about 2°C (January) to 21°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Gdańsk?
The typical midday UV index in Gdańsk peaks around 5 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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