Port Arthur in July
July is right in the heart of winter for Port Arthur, and the weather has a definite personality this time of year.
Daytime highs average 11.7 degrees, dropping to 6.7 degrees overnight. That's a 5-degree swing between day and night. Manageable with a decent layer, and you'll warm up by midday.
At 11.7 degrees, July sits 4.8 degrees below the annual average of 16.5 degrees.
Rainfall in July averages 72mm over about 10 days. That means roughly a 33% chance of rain on any given day, pack a compact umbrella just in case.
Sunshine-wise, July delivers around 5.8 MJ/m2 of daily solar radiation. UV sits in the moderate category. Sunscreen is still wise, especially if you burn easily.
With a Comfort Score of 1.0/10, July is not the most comfortable time to visit.
For your suitcase: a proper winter jacket, and a rain jacket or compact umbrella.
Scroll down for the detailed climate data, or explore what nearby cities are like in July.
July at a Glance
Temperature Range
Daily temperature range in July. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Warm layers including a heavy jacket or coat
- Extra layers for chilly nights
- Proper rain gear for frequent showers
Coming From Overseas?
How July in Port Arthur stacks up against major cities around the world.
About 12 degrees cooler and considerably wetter.
About 19 degrees cooler and considerably drier.
About 18 degrees cooler and considerably drier.
How July Compares
Port Arthur's monthly climate at a glance. July 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 |