Cairns weather in October
October in Cairns: hot, dry, with clean air — one of the best months to visit.
#1 of 12 months in Cairns · #36 of 604 destinations to visit in October · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Cairns climate normals — October
| Daytime high | 28°C / 82°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 21 mm / 0.8 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 20°C / 69°F | |
| Sunshine | 11.6 h/day | |
| Daylight | 12.5 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 October — FAQ
- Is October a good time to visit Cairns?
- October in Cairns: hot, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Cairns on SeasonMap's comfort score (91/100).
- What is the weather like in Cairns in October?
- In October, Cairns averages a daily high of 27.8°C and a low of 22.3°C, with about 20.7 mm of rain over roughly 5.2 rainy days.
- What is the air quality in Cairns in October?
- Cairns has a mean US Air Quality Index of about 26 in October.