Weather in Sydney for January 2026
Until now, January 2026 in Sydney is slightly cooler than the historical average by -0.7 °C.
The forecast for the next days in Sydney predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Sydney at the beginning of January is 24.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 26.6 °C by the end of January.
Sydney experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 93.9 mm.
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Sydney Weather January
Temperatures trend during January in Sydney
January weather in Sydney day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Light rain shower | 23° /18° | 1.9 mm | 7 | |
| 2 Jan. |  Partly cloudy | 24° /19° | 1.5 mm | 9 | |
| 3 Jan. | Patchy rain possible | 25° /19° | 2.6 mm | 8 | |
| 4 Jan. |  Moderate or heavy rain shower | 25° /19° | 4 mm | 8 | |
| 5 Jan. | Patchy rain possible | 24° /19° | 5.6 mm | 9 | |
| 6 Jan. | Patchy rain possible | 24° /19° | 3.4 mm | 9 | |
| 7 Jan. | Patchy rain possible | 24° /19° | 2 mm | 9 | |
| 8 Jan. | Patchy rain possible | 25° /19° | 3.2 mm | 9 | |
| 9 Jan. | Light rain shower | 25° /19° | 2.7 mm | 9 | |
| 10 Jan. |  Sunny | 27° /19° | 2.6 mm | 9 | |
| 11 Jan. | Patchy rain possible | 25° /20° | 1.9 mm | 7 | |
| 12 Jan. |  Cloudy | 24° /19° | 2.4 mm | 7 | |
| 13 Jan. | Partly cloudy | 26° /20° | 3.9 mm | 9 | |
| 14 Jan. | Patchy rain possible | 26° /20° | 3.3 mm | 8 | |
| 15 Jan. | Light rain shower | 26° /19° | 6.5 mm | 8 | |
| 16 Jan. | Light rain shower | 24° /19° | 5.3 mm | 8 | |
| 17 Jan. | Sunny | 24° /19° | 10.6 mm | 7 | |
| 18 Jan. | Cloudy | 26° /20° | 5.1 mm | 8 | |
| 19 Jan. | Moderate rain at times | 22° /18° | 2.9 mm | 7 | |
| 20 Jan. | Patchy rain possible | 22° /18° | 1.6 mm | 8 | |
| 21 Jan. | Patchy rain possible | 24° /17° | 0.8 mm | 9 | |
| 22 Jan. | Patchy rain possible | 25° /18° | 1.4 mm | 8 | |
| 23 Jan. | Patchy rain possible | 23° /19° | 1.1 mm | 9 | |
| 24 Jan. | Patchy rain possible | 26° /19° | 0.7 mm | 9 | |
| 25 Jan. | Patchy rain possible | 27° /20° | 0.2 mm | 9 | |
| 26 Jan. | Patchy rain possible | 28° /20° | 0.3 mm | 9 | |
| 27 Jan. | Patchy rain possible | 26° /20° | 1.2 mm | 9 | |
| 28 Jan. | Patchy rain possible | 27° /19° | 1.1 mm | 9 | |
| 29 Jan. | Partly cloudy | 25° /21° | 0.1 mm | 3.3 | |
| 30 Jan. | Partly cloudy | 26° /20° | 0 mm | 3.5 | |
| 31 Jan. | Sunny | 27° /22° | 0 mm | 3.5 | |
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Sydney in January - FAQ
What are the expected maximum and minimum temperatures in Sydney during January?
How much rainfall should be expected in Sydney during January?
What are the typical wind conditions in Sydney during January?
Sydney water temperatures in January
The average water temperature of the Pacific Ocean near Sydney in January is 21 °C. At the beginning of January temperatures are around 21.1 °C; by the end of the month they stay fairly steady and reach 20.9 °C.
- What is the water temperature in Sydney in January?
- The average water temperature in Sydney in January is 21 °C.
- Can you swim in Sydney in January?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
January rainfall patterns in Sydney
UV exposure in Sydney during January
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