Cairns weather in July
July in Cairns: warm, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Cairns · #212 of 604 destinations to visit in July · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Cairns climate normals — July
| Daytime high | 23°C / 74°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 38 mm / 1.5 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 11.2 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 26 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Cairns?
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Cairns in July — FAQ
- Is July a good time to visit Cairns?
- July in Cairns: warm, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Cairns on SeasonMap's comfort score (84/100).
- What is the weather like in Cairns in July?
- In July, Cairns averages a daily high of 23.2°C and a low of 19°C, with about 37.5 mm of rain over roughly 6.8 rainy days.
- What is the air quality in Cairns in July?
- Cairns has a mean US Air Quality Index of about 26 in July.