The temperatures in Port Arthur in August are quite cold with temperatures between 6°C and 10°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Port Arthur 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 Port Arthur in August 2025.
If you’re planning to visit Port Arthur in the near future, we highly recommend that you review the 14 day weather forecast for Port Arthur before you arrive.
Temperatures
10° / 6°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
71
mm
Sun Hours
5.5
Hrs
