Sydney weather in October
October in Sydney: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Sydney · #47 of 604 destinations to visit in October · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Sydney climate normals — October
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 58°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 78 mm / 3.1 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 12.9 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sydney in October — FAQ
- Is October a good time to visit Sydney?
- October in Sydney: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Sydney on SeasonMap's comfort score (91/100).
- What is the weather like in Sydney in October?
- In October, Sydney averages a daily high of 21.6°C and a low of 14.4°C, with about 77.7 mm of rain over roughly 10.8 rainy days.
- What is the air quality in Sydney in October?
- Sydney has a mean US Air Quality Index of about 45 in October.