Monthly Climate
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Best time to visit Gdańsk

August is the best time to visit Gdańsk for general sightseeing, with average highs of 22 °C and about 12 wet days. The comfortable season runs roughly June to September.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking August comfort 85/100
A beach holiday August sea 19 °C
The least cloud May 57 % average cloud cover
The least rain February 30 mm
Warmth August 22 °C
Cooler weather January 1.6 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 August 85 22 °C 12 54
2 July 83 22 °C 12 47
3 June 81 20 °C 12 28
4 September 79 18 °C 9 35
5 May 70 17 °C 11 17
6 October 54 12 °C 10 10
7 April 51 12 °C 9 12
8 November 33 6.7 °C 9 13
9 March 27 6.2 °C 10 11
10 February 24 2.6 °C 9 14
11 December 24 3.0 °C 10 11
12 January 22 1.6 °C 10 10

For a beach holiday

August scores highest, with a sea temperature of 19 °C and air temperatures around 22 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 4.2 °C 1.6 °C 77 % 10
February 2.9 °C 2.6 °C 77 % 14
March 3.1 °C 6.2 °C 68 % 11
April 5.4 °C 12 °C 58 % 12
May 9.7 °C 17 °C 57 % 17
June 14 °C 20 °C 59 % 28
July 18 °C 22 °C 58 % 47
August 19 °C 22 °C 57 % 54
September 17 °C 18 °C 63 % 35
October 13 °C 12 °C 68 % 10
November 9.2 °C 6.7 °C 79 % 13
December 6.2 °C 3.0 °C 79 % 11

When to think twice

January scores lowest with about 10 wet days and highs near 1.6 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 1.6 °C 37 mm 77 %
February 2.6 °C 30 mm 77 %
March 6.2 °C 37 mm 68 %
April 11.8 °C 40 mm 58 %
May 16.6 °C 59 mm 57 %
June 19.9 °C 68 mm 59 %
July 22.2 °C 83 mm 58 %
August 22.3 °C 69 mm 57 %
September 17.8 °C 51 mm 63 %
October 12.3 °C 47 mm 68 %
November 6.7 °C 38 mm 79 %
December 3.0 °C 41 mm 79 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.