Sydney in January
January weather, climate averages, and packing tips.
January marks a typically warm period of summer, where the weather is warming up. Daytime highs average 26°C / 78°F, dropping to 19°C / 67°F at night.
Skies are often changeable, and you should be prepared for regular rainfall (approx. 14 wet days). The sun is very strong at this time of year, making sun protection essential during the day.
Statistically, this is the hottest month of the year.
How it compares to the rest of the year in Sydney.
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 14.1 hours
- UV index (max)
- 9
- Typical sun hours
- 06:00 – 20:07
Rain & Snow
- Total
-
- Rainy days
- 14
- Cloud cover
- 56%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 73%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is January a good time to visit Sydney?
Typical January days in Sydney reach highs of 26°C (79°F) with nights around 19°C (66°F). It usually feels warm by day and mild after dark. Overall, January sits in the middle of the Sydney climate range.
What are temperatures like in January?
In January, you can usually expect highs of 26°C (79°F) and lows near 19°C (66°F). That means warm days and mild nights, so pack layers you can add or remove.
How much does it rain in January?
Rainfall in January averages 74 mm (2.9 in) across roughly 14 days. Overall it is a quite rainy time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in January?
You can expect about 14 hours of daylight in January. Sunrise is typically around 06:00 and sunset near 20:07. You get long days with comfortable amounts of daylight.
How strong is the sun in January?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in January?
In January, average wind speeds are around 12 km/h (7 mph), with gusts on the windiest days reaching about 55 km/h (34 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.