Weather in Sydney in October
October in Sydney is mild with average temperatures around 18.6°C (65.5°F). Moderate rainfall of 64mm spread over 9 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
21.7°C
71.1°F
Low
15.5°C
59.9°F
Precipitation
64 mm
2.5 inches
~9 rainy days
Conditions
Humidity
70%
Comparison to Adjacent Months
October is 21mm wetter than September.