Sydney
October
Weather in Sydney for October 2025
Your guide to Sydney weather in October - trends and predictions
So far, October 2025 in Sydney shows a warmer trend than usual by 2.4 °C.
In general, the average temperature in Sydney at the beginning of October is 21.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 21.6 °C by the end of October.
Sydney experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 67.3 mm.
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Temperatures
Rain 🌧️
More
5
Dry days
26
Rainy days
0
Snow days
21°/14°
Temperatures
25 km/h
Avg max wind
67 %
Avg humidity
Sydney Weather October
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Temperatures trend during October in Sydney
See the weather trend as well as the moving average line
October weather in Sydney day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Sunny | 23° /14° | 0.8 mm | 7 | |
| 2 Oct. |  Heavy rain at times | 20° /13° | 1.7 mm | 6 | |
| 3 Oct. |  Partly cloudy | 22° /13° | 0.1 mm | 6 | |
| 4 Oct. | Sunny | 22° /12° | 1.5 mm | 6 | |
| 5 Oct. | Partly cloudy | 22° /14° | 2.9 mm | 7 | |
| 6 Oct. | Sunny | 22° /13° | 2.4 mm | 6 | |
| 7 Oct. |  Patchy rain possible | 21° /13° | 2.3 mm | 6 | |
| 8 Oct. | Patchy rain possible | 21° /14° | 6.7 mm | 5 | |
| 9 Oct. | Partly cloudy | 21° /13° | 2.8 mm | 6 | |
| 10 Oct. | Patchy rain possible | 21° /14° | 1.7 mm | 6 | |
| 11 Oct. | Patchy rain possible | 20° /14° | 1.5 mm | 6 | |
| 12 Oct. | Patchy rain possible | 22° /14° | 1.3 mm | 6 | |
| 13 Oct. | Partly cloudy | 19° /13° | 1.1 mm | 6 | |
| 14 Oct. | Sunny | 23° /13° | 6 mm | 6 | |
| 15 Oct. | Sunny | 21° /13° | 1 mm | 6 | |
| 16 Oct. | Partly cloudy | 21° /13° | 0.9 mm | 6 | |
| 17 Oct. | Partly cloudy | 21° /13° | 2.1 mm | 6 | |
| 18 Oct. | Patchy rain possible | 21° /14° | 1.5 mm | 6 | |
| 19 Oct. |  Moderate or heavy rain shower | 22° /14° | 1.6 mm | 6 | |
| 20 Oct. | Sunny | 22° /14° | 1.3 mm | 6 | |
| 21 Oct. | Patchy rain possible | 21° /16° | 2.6 mm | 6 | |
| 22 Oct. | Partly cloudy | 26° /15° | 0.5 mm | 7 | |
| 23 Oct. | Partly cloudy | 23° /15° | 1.5 mm | 7 | |
| 24 Oct. | Partly cloudy | 21° /14° | 1.9 mm | 6 | |
| 25 Oct. |  Cloudy | 21° /14° | 1.3 mm | 6 | |
| 26 Oct. | Partly cloudy | 21° /14° | 1 mm | 6 | |
| 27 Oct. | Light rain shower | 21° /14° | 2.4 mm | 6 | |
| 28 Oct. | Patchy rain possible | 21° /14° | 0.8 mm | 6 | |
| 29 Oct. | Sunny | 23° /14° | 2.7 mm | 6 | |
| 30 Oct. | Patchy rain possible | 23° /14° | 0.1 mm | 6 | |
| 31 Oct. | Patchy rain possible | 21° /17° | 0.7 mm | 2 | |
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Important Notice
Our weather forecast for Sydney in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sydney forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sydney in October - FAQ
What are the expected maximum and minimum temperatures in Sydney during October?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sydney during October?
Moderate rainfall is anticipated in Sydney during October, with a total of 67.3 mm spread over approximately 26 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sydney during October?
The average wind speed in Sydney during October is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Sydney water temperatures in October
The average water temperature of the Pacific Ocean near Sydney in October is 18.9 °C. At the beginning of October temperatures are around 19.4 °C; by the end of the month they get a bit cooler and reach 18.5 °C.
- What is the water temperature in Sydney in October?
- The average water temperature in Sydney in October is 18.9 °C.
- Can you swim in Sydney in October?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
October rainfall patterns in Sydney
Explore the daily rainfall trends and prepare for Sydneys October weather 💧
UV exposure in Sydney during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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