Port Arthur in October
October in Port Arthur is peak spring, and the weather reflects it. You're looking at average daily highs of 15.8 degrees.
Daytime highs average 15.8 degrees, dropping to 8.4 degrees overnight. That's a 7-degree swing between day and night. Manageable with a decent layer, and you'll warm up by midday.
October's temperature is very close to the annual average for Port Arthur.
The rain data says 73mm over 17 days. A decent amount, but not relentless.
Solar exposure averages 19.4 MJ/m2 per day in October, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
The Comfort Score is 4.1/10 for October. It's fine, but not the highlight of the calendar.
Packing tip: bring layers you can peel on and off, a rain jacket or compact umbrella, and serious sun protection.
Check the data table below for the full picture, or compare Port Arthur in October with another destination.
October at a Glance
Temperature Range
Daily temperature range in October. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- A jumper or light cardigan for flexibility
- A warm jumper or fleece for cool mornings and evenings
- Proper rain gear for frequent showers
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How October in Port Arthur stacks up against major cities around the world.
About 0 degrees cooler and considerably wetter.
About 3 degrees cooler and considerably drier.
About 6 degrees cooler and considerably drier.
How October Compares
Port Arthur's monthly climate at a glance. October 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 |