July · Australia
Best time to visit Great Barrier Reef in July Weather, crowds & prices
Weather in Great Barrier Reef in July
Average temperature 22°C, 63 mm of rain, about 29 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
8.6/10
Ranked #3 of 12 months
- Avg temp
- 22°C
- Rainfall
- 63 mm
- Humidity
- 76%
- Days with 6h+ sun
- 29
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
July in Great Barrier Reef scores 8.6/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 22°C, 63 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
From June to October, dry southeasterly winds clear the reef's water to 30m visibility—prime snorkeling season.
July is one of the strongest months in Great Barrier Reef (3rd)
Trail conditions at 22°C (71°F) favour early starts and shaded routes in July; midday is for water breaks, not for exposed climbs.
Budget for roughly 63 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 11.2 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Great Barrier Reef at 8.6/10 (3rd of 12), just behind August at 9/10.
Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Great Barrier Reef in July?
- In July, Great Barrier Reef averages 22°C, 63 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 8.6/10.
- Is July a good time to visit Great Barrier Reef?
- July earns a 8.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Great Barrier Reef in July?
- Expect about 63 mm of rain in July. Average humidity is 76% and there are about 29 days with 6+ hours of sunshine.
Curated in Great Barrier Reef
Tickets & experiences
Things to do in Great Barrier Reef
Great Barrier Reef, Australia. Live activities and tours from GetYourGuide, matched to this destination.