The temperatures in Gdynia in August are comfortable with low of 15°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Gdynia during the month of August. 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 August 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.
Temperatures
22° / 15°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
88
mm
Sun Hours
10.6
Hrs
