The weather in Port Arthur in August is very hot. The average temperatures are between 26°C and 33°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Port Arthur. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
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
33° / 26°
Rainy Days
11
Snowy Days
0
Dry Days
21
Rainfall
157
mm
Sun Hours
8.0
Hrs
