Newcastle in July
July in Newcastle is peak winter, and the weather reflects it. You're looking at average daily highs of 16.4 degrees.
Daytime highs average 16.4 degrees, dropping to 10.0 degrees overnight. That's a 6-degree swing between day and night. It's cool but manageable. A jumper handles most of it.
July is 6.1 degrees cooler than Newcastle's yearly average.
Rainfall in July averages 46mm over about 10 days. That means roughly a 33% chance of rain on any given day, pack a compact umbrella just in case.
Solar exposure averages 10.2 MJ/m2 per day in July, with UV levels in the moderate range. Sunscreen is still wise, especially if you burn easily.
The Comfort Score is 4.1/10 for July. It's fine, but not the highlight of the calendar.
Packing tip: bring layers you can peel on and off.
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
- Layered clothing for mild to cool conditions
- Proper rain gear for frequent showers
Coming From Overseas?
How July in Newcastle stacks up against major cities around the world.
About 8 degrees cooler and considerably wetter.
About 15 degrees cooler and considerably drier.
About 14 degrees cooler and considerably drier.
How July Compares
Newcastle's monthly climate at a glance. July is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 27.7 | 21.4 | 48mm | 7.8 |
| Feb | 27.1 | 21.0 | 97mm | 7.3 |
| Mar | 25.2 | 19.4 | 40mm | 9.2 |
| Apr | 22.5 | 16.0 | 166mm | 7.4 |
| May | 19.0 | 13.5 | 155mm | 4.2 |
| Jun | 16.4 | 9.6 | 183mm | 2.8 |
| Jul | 16.4 | 10.0 | 46mm | 4.1 |
| Aug | 19.5 | 12.1 | 62mm | 6.1 |
| Sep | 22.0 | 12.9 | 57mm | 8.8 |
| Oct | 21.9 | 14.7 | 79mm | 8.5 |
| Nov | 25.0 | 18.4 | 116mm | 8.7 |
| Dec | 26.9 | 19.9 | 48mm | 8.8 |