Click on a day for an hourly weather forecast
The temperatures in Gdynia in May are quite cold with temperatures between 8°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Gdynia during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Gdynia in May 2025.
If you’re planning to visit Gdynia in the near future, we highly recommend that you review the 14 day weather forecast for Gdynia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -1° | 7 | 9 | 15 | 62 mm | Awful | Gdynia in January |
| February | 2° / -1° | 5 | 10 | 14 | 47 mm | Awful | Gdynia in February |
| March | 5° / 1° | 6 | 17 | 8 | 46 mm | Awful | Gdynia in March |
| April | 10° / 4° | 4 | 23 | 3 | 35 mm | Bad | Gdynia in April |
| May | 15° / 8° | 5 | 26 | 0 | 53 mm | Good | Gdynia in May |
| June | 19° / 12° | 4 | 26 | 0 | 67 mm | Good | Gdynia in June |
| July | 21° / 15° | 6 | 25 | 0 | 115 mm | Good | Gdynia in July |
| August | 22° / 15° | 5 | 26 | 0 | 88 mm | Good | Gdynia in August |
| September | 18° / 13° | 3 | 27 | 0 | 62 mm | Good | Gdynia in September |
| October | 12° / 8° | 5 | 26 | 0 | 52 mm | Ok | Gdynia in October |
| November | 7° / 5° | 7 | 21 | 3 | 58 mm | Awful | Gdynia in November |
| December | 3° / 1° | 7 | 15 | 10 | 65 mm | Awful | Gdynia in December |