Climate guide for Gdansk, Poland

Best Time to Visit
Gdansk

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01 · Poland

About Gdansk

Gdańsk's Long Market and the crane on the Motława were rebuilt after 1945 in their historic form, and the amber and maritime museums explain the city's Hanseatic past. The Westerplatte peninsula and the Solidarity centre add 20th-century history, while the beaches of Brzeźno and Stogi sit within a tram ride. May to September suits the old town and coast; December brings the Christmas market to the rebuilt streets.

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Did you know?

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Travel Tips

01Dlugi Targ Before Ships
Long Market and the waterfront fill when Baltic cruise tenders arrive. Walk Motława quays at opening, then visit St Mary’s or the Crane before midday queues.
02Trams to Sopot & Gdynia
SKM trains link Gdańsk, Sopot and Gdynia as one metro-like corridor. Within Gdańsk, trams reach the airport and outer beaches faster than taxis in summer traffic.
03Museum of WW2 Tickets
The Museum of the Second World War and European Solidarity Centre need substantial time; buy tickets online for weekends. Church climbs like St Mary’s charge separate tower fees.
04Baltic Wind & Amber Streets
Harbour winds cut through even mild days - bring a shell layer. Amber stalls are part of the tourist strip; compare prices and ask about certifications before large purchases.

Things to do in Gdansk

Gdansk, Poland. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Gdansk: the short answer

Plan Gdansk for May, with September, June close behind — the stretch with the most usable temperatures and the fewest lost days to rain: May averages 13°C with 25 mm of rain and about 29 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are December, January. If budget matters more than perfect weather, February is the strongest of the low-rate months at 5.4/10.

Across the year Gdansk swings from 2°C in January to 20°C in August, a 18-degree spread, while rainfall ranges from 25 mm in May to 106 mm in July. In short, Gdansk is not equally good year-round — the gap between its best and worst month is 5.1 points on the same 10-point scale.

Warmest month: August (20°C). Coolest: January (2°C). Driest: May (25 mm). Wettest: July (106 mm).

Gdansk month by month

January in Gdansk — the hardest end of the year

Hardest · 4.8/10

At 2°C (36°F) this is proper winter weather in January: layer up and split the day between outdoor highlights and indoor stops.

Budget for roughly 54 mm of rain this month — a flexible day or two helps — with about 5 days with 6+ hours of sunshine and 8 hours of daylight to work around it.

That is 4.8/10 on the same scale — 11th of 12 months, versus 9.6/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.

If your dates are flexible, May is materially better in Gdansk — 4.8 points higher on the same scale.

February in Gdansk — middling scores, decent value

Trade-offs · 5.4/10

At 3°C (38°F) this is proper winter weather in February: layer up and split the day between outdoor highlights and indoor stops.

Budget for roughly 69 mm of rain this month — a flexible day or two helps — with about 13 days with 6+ hours of sunshine and 9.8 hours of daylight to work around it.

That is 5.4/10 on the same scale — 9th of 12 months, versus 9.6/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.

If your dates are flexible, May is materially better in Gdansk — 4.2 points higher on the same scale.

March holds up well in Gdansk — 8th best month

Good · 7.6/10

March averages 4°C (40°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 23 days with 6+ hours of sunshine and 11.9 daylight hours.

It scores 7.6/10 here, 8th of 12 months, against 9.6/10 in the destination's best month.

Figure on mid-season pricing, with crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

Flexible dates? May scores 2 points higher here — enough to change the trip.

April in Gdansk: strong conditions, 5th of 12

Good · 8.3/10

Expect 8°C (46°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 35 mm of rain, any showers tend to pass through rather than settle in; about 23 days with 6+ hours of sunshine and 14.1 hours of daylight fill the rest.

That is 8.3/10 on the same scale — 5th of 12 months, versus 9.6/10 for the best month here.

Budget for mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

May: the best month of the year in Gdansk

Best window · 9.6/10

May averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 25 mm of rain — occasional showers rather than washed-out days — alongside about 29 days with 6+ hours of sunshine and 16.1 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Gdansk at 9.6/10 — the reference point every other month on this page is measured against.

Plan for peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening.

June ranks 3rd of 12 for Gdansk — one of the best windows

Best window · 8.8/10

Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 69 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 17.1 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Gdansk at 8.8/10 (3rd of 12), just behind May at 9.6/10.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

July in Gdansk — reliably good (6th best month)

Good · 8.1/10

Temperatures hover around 19°C (66°F) — the kind of month where neither heat nor cold forces the schedule.

106 mm of rain makes this a wet month here, though with about 29 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 8.1/10 on the same scale — 6th of 12 months, versus 9.6/10 for the best month here.

Budget for peak pricing, and this is one of the busiest months here.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

If your dates are flexible, May is materially better in Gdansk — 1.5 points higher on the same scale.

August in Gdansk — one of the year's strongest windows (4th)

Best window · 8.5/10

August averages 20°C (68°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rainfall runs 79 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 14.8 hours of daylight.

A 8.5/10 puts this among the year's best months in Gdansk (4th of 12); only May scores higher, at 9.6/10.

Figure on peak pricing, with this is one of the busiest months here.

Pack light clothing, a hat and real sun protection, a packable rain layer.

September ranks 2nd of 12 for Gdansk — one of the best windows

Best window · 9.4/10

September averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 39 mm of rain — occasional showers rather than washed-out days — alongside about 25 days with 6+ hours of sunshine and 12.7 daylight hours.

A 9.4/10 puts this among the year's best months in Gdansk (2nd of 12); only May scores higher, at 9.6/10.

Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening.

October in Gdansk — reliably good (7th best month)

Good · 8.1/10

Expect 11°C (52°F) in October. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 44 mm of rain, any showers tend to pass through rather than settle in; about 20 days with 6+ hours of sunshine and 10.5 hours of daylight fill the rest.

That is 8.1/10 on the same scale — 7th of 12 months, versus 9.6/10 for the best month here.

Budget for mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

If your dates are flexible, May is materially better in Gdansk — 1.5 points higher on the same scale.

November in Gdansk — middling scores, decent value

Trade-offs · 5.3/10

Expect 5°C (41°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 62 mm of rain this month — a flexible day or two helps — with about 8 days with 6+ hours of sunshine and 8.5 hours of daylight to work around it.

That is 5.3/10 on the same scale — 10th of 12 months, versus 9.6/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, May is materially better in Gdansk — 4.3 points higher on the same scale.

December in Gdansk — the hardest end of the year

Hardest · 4.5/10

December averages 2°C (36°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 58 mm, so plan one flexible day in three; you still get about 4 days with 6+ hours of sunshine and 7.4 hours of daylight.

It scores 4.5/10 here, 12th of 12 months, against 9.6/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.

Flexible dates? May scores 5.1 points higher here — enough to change the trip.

FAQ

Frequently asked

When is the best time to visit Gdansk, Poland?
In Ideal Weather mode, the best months to visit Gdansk are May, September, June. May is the single peak month with an Ideal Weather score of 9.6/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Gdansk year-round?
Gdansk has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 2°C in January to 20°C in August, with Ideal Weather scores between 4.5 and 9.6 out of 10.
Which months should I avoid in Gdansk?
The lowest Ideal Weather-scoring months in Gdansk are December (4.5/10), January (4.8/10), November (5.3/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Gdansk?
July is the wettest month in Gdansk, averaging about 106 mm of rainfall. May is the driest, at roughly 25 mm.
Which is the sunniest month in Gdansk?
May sees the most sun in Gdansk, with about 29 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Gdansk a good destination for sightseeing and cultural travel?
Gdansk is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (May, September, June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Gdansk calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Gdansk: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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