Weather in Sydney in October
In an average October, Sydney sees a daily high around 21°C and a low around 15°C, based on 1981–2026 of local climate records.
| Average high | 21°C |
|---|---|
| Typical high range | 17°C to 26°C |
| Average low | 15°C |
| Typical low range | 13°C to 17°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
32°C
2015-10-05
Lowest
15°C
1993-10-11
Low
Highest
21°C
2025-10-09
Lowest
10°C
1984-10-17
Feels-like
Highest
37°C
2025-10-20
Lowest
7°C
1984-10-17
Humidity
Highest
17.3 g/m³
2005-10-31
Lowest
5.7 g/m³
1984-10-17
Wind
Highest
46 km/h
2025-10-27
Lowest
9 km/h
1998-10-09
Precip
Wettest
193 mm
2004
Driest
4 mm
1988
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