Weather in Sydney in October 2025
Average weather
Average temperature in Sydney in October
Going from a maximum of +34°C during the day to a minimum of +11°C during the night, the temperature in October averages around +24°C.
The average maximum temperature goes down 26% by the end of the month, compared with the beginning of the month, from +34°C to +28°C.
Is Sydney warm or cold in October?
Sydney is typically mild in October.
Maximum temperatures go up compared to the previous month from +20°C to +22°C. The minimum temperature also goes up from +12°C to +14°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Sydney:
Water temperature in Sydney in October
Water in Sydney in October is Fresh. It varies from +18°C to +21°C, with an average of +19°C. This is almost similar to the air temperature, which averages +22°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Sydney in October?
Climate in Sydney in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +20°C | +22°C | +23°C | ||||
| Min. temperature | ||||||
| +6°C | +7°C | +8°C | ||||
| Max. temperature | ||||||
| +34°C | +37°C | +41°C | ||||
| Rainfall | ||||||
| 46 mm | 60 mm | 82 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +19°C | +19°C | +21°C | ||||
| Humidity | ||||||
| 62% | 64% | 68% | ||||
| Air pressure | ||||||
| 1016 HPa | 1015 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 13 | 10 | 6 | ||||
| Cloudy days | ||||||
| 4 | 6 | 6 | ||||
| Rainy days | ||||||
| 11 | 13 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as good as in September. It’s getting warmer as October arrives. The average maximum temperature goes up from +20°C to +22°C during the day. Prepare for more rain. Average rainfall goes from 46 mm to 60 mm. Humidity rises from 62% to 64%. The average wind speed doesn’t change much during October, staying around 4 m/s. The days becoming less sunny, going from 13 sunny days in September to 10 in October.
November brings much the same weather, it remains good.
Wind
The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Sydney is gradually decreasing during October, going from 6 m/s to 5 m/s over the course of the month.
Rain
How was the weather last October in Sydney?
Climate Change over Years
The climate in Sydney in October has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+20°C) and the highest in 2019 (+23°C). The driest year was 2006 with only 423 mm of rainfall, and the wettest year was 2022 with 2786 mm.
FAQ
Is October a good time to visit Sydney?
Can you sunbathe in Sydney in October?
Can you swim in Sydney in October?
Is Sydney rainy in October?
Is it sunny in Sydney in October?
Other cities in Australia
Monthly weather in Sydney
Source of the data
For this page, we’ve looked at the typical weather in Sydney, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.