Mount Isa in July
July is right in the heart of winter for Mount Isa, and the weather has a definite personality this time of year.
The average daily maximum is 23.3 degrees with overnight lows of 11.2 degrees. Comfortable during the day, with evenings that invite a light layer.
At 23.3 degrees, July sits 8.0 degrees below the annual average of 31.3 degrees.
You're looking at 15mm of rain across 2 days in a typical July. Dry as a bone, really.
Solar exposure averages 17.0 MJ/m2 per day in July, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
Our Comfort Score rates July at 10.0/10. That's about as good as it gets.
For your suitcase: t-shirts with a light layer for evenings, something warmer for mornings and evenings, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare 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
- T-shirts and shorts for daytime
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How July in Mount Isa stacks up against major cities around the world.
About 1 degrees cooler and considerably drier.
About 8 degrees cooler and considerably drier.
About 7 degrees cooler and considerably drier.
How July Compares
Mount Isa's monthly climate at a glance. July is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 34.3 | 24.9 | 176mm | 2.1 |
| Feb | 31.2 | 23.1 | 132mm | 4.6 |
| Mar | 31.9 | 23.0 | 113mm | 4.5 |
| Apr | 30.0 | 18.6 | 1mm | 7.1 |
| May | 28.1 | 16.9 | 8mm | 7.9 |
| Jun | 24.6 | 12.0 | 4mm | 10.0 |
| Jul | 23.3 | 11.2 | 15mm | 10.0 |
| Aug | 29.5 | 16.1 | 0mm | 7.5 |
| Sep | 32.0 | 19.6 | 0mm | 5.9 |
| Oct | 36.3 | 23.2 | 11mm | 2.1 |
| Nov | 36.4 | 25.0 | 75mm | 1.2 |
| Dec | 37.7 | 25.2 | 16mm | 1.0 |