Port Arthur in August
August in Port Arthur is peak winter, and the weather reflects it. You're looking at average daily highs of 14.1 degrees.
Daytime highs average 14.1 degrees, dropping to 8.1 degrees overnight. That's a 6-degree swing between day and night. It's cool but manageable. A jumper handles most of it.
August is 2.4 degrees cooler than Port Arthur's yearly average.
Rainfall in August averages 89mm over about 15 days. That means roughly a 50% chance of rain on any given day, so definitely bring rain gear.
Sunshine-wise, August delivers around 8.5 MJ/m2 of daily solar radiation. UV sits in the moderate category. Sunscreen is still wise, especially if you burn easily.
August scores 1.5/10 on our Comfort Score. It's the tough end of the year weather-wise.
For your suitcase: warm layers including a coat, and a rain jacket or compact umbrella.
The full data breakdown is below. You can also see how other Australian cities compare in August.
August at a Glance
Temperature Range
Daily temperature range in August. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Warm layers including a heavy jacket or coat
- A warm jumper or fleece for cool mornings and evenings
- Proper rain gear for frequent showers
Coming From Overseas?
How August in Port Arthur stacks up against major cities around the world.
About 10 degrees cooler and considerably wetter.
About 16 degrees cooler and considerably drier.
About 17 degrees cooler and considerably drier.
How August Compares
Port Arthur's monthly climate at a glance. August is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 20.7 | 13.0 | 99mm | 7.8 |
| Feb | 21.5 | 13.2 | 23mm | 9.0 |
| Mar | 19.6 | 12.1 | 29mm | 6.9 |
| Apr | 16.4 | 10.4 | 77mm | 3.8 |
| May | 14.1 | 9.2 | 36mm | 1.9 |
| Jun | 11.7 | 7.7 | 37mm | 1.0 |
| Jul | 11.7 | 6.7 | 72mm | 1.0 |
| Aug | 14.1 | 8.1 | 89mm | 1.5 |
| Sep | 14.1 | 7.4 | 54mm | 2.6 |
| Oct | 15.8 | 8.4 | 73mm | 4.1 |
| Nov | 18.2 | 10.4 | 64mm | 6.3 |
| Dec | 20.1 | 11.9 | 122mm | 7.1 |