October · Australia
Best time to visit Sydney in October Weather, crowds & prices
Weather in Sydney in October
Average temperature 18°C, 75 mm of rain, about 27 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
October score
8.8/10
Ranked #2 of 12 months
- Avg temp
- 18°C
- Rainfall
- 75 mm
- Humidity
- 68%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
October in Sydney scores 8.8/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 18°C, 75 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Sydney reveals its true character from the water: harbor ferries, sandstone headlands, ocean pools, and long golden evening light converge in spring and early summer.
October is one of the strongest months in Sydney (2nd)
Temperatures hover around 18°C (64°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 75 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 12.9 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Sydney at 8.8/10 (2nd of 12), just behind September at 9.2/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Sydney in October?
- In October, Sydney averages 18°C, 75 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.8/10.
- Is October a good time to visit Sydney?
- October earns a 8.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Sydney in October?
- Expect about 75 mm of rain in October. Average humidity is 68% and there are about 27 days with 6+ hours of sunshine.
Curated in Sydney
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Sydney, Australia. Live activities and tours from GetYourGuide, matched to this destination.