January · Australia
Best time to visit Sydney in January Weather, crowds & prices
Weather in Sydney in January
Average temperature 22°C, 133 mm of rain, about 27 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
7.4/10
Ranked #10 of 12 months
- Avg temp
- 22°C
- Rainfall
- 133 mm
- Humidity
- 78%
- Days with 6h+ sun
- 27
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
January in Sydney scores 7.4/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 22°C, 133 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Sydney reveals its true character from the water: harbor ferries, sandstone headlands, ocean pools, and long golden evening light converge in spring and early summer.
January in Sydney — reliably good (10th best month)
At 22°C (72°F) this is comfortable city weather in January, with sightseeing easiest before lunch and after the afternoon peak.
133 mm of rain makes this a wet month here, though with about 27 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.4/10 on the same scale — 10th of 12 months, versus 9.2/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are light for this destination.
If your dates are flexible, September is materially better in Sydney — 1.8 points higher on the same scale.
Frequently asked
- What is the weather like in Sydney in January?
- In January, Sydney averages 22°C, 133 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 7.4/10.
- Is January a good time to visit Sydney?
- January earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Sydney in January?
- Expect about 133 mm of rain in January. Average humidity is 78% and there are about 27 days with 6+ hours of sunshine.
Curated in Sydney
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Sydney, Australia. Live activities and tours from GetYourGuide, matched to this destination.