Temperatures in January
It's warm in January in Sydney with an average temperature of 28°C. Temperatures this month range from a low of 25°C to a high of 31°C. At night, you can expect temperatures between 18°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Sydney in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Sydney with hot temperatures, averaging around 28°C during the day and nights close to 20°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-January
By mid-January, the average daytime temperature rises to around 29°C, with nights close to 21°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers.
End of January
By the end of January, the average daytime temperature in Sydney will be around 29°C, with nights close to 21°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers.
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Water temperature
The water temperature at Sydney is 26°C this month. Lovely temperature for a swim.
Precipitation in January
In January, there is an average of 154 mm of precipitation, spread over 9 days. The wind speed is around 5 Bft, mostly coming from the East.
The average precipitation chance is 29% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Sydney. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Sydney in January |
London | ||
|---|---|---|---|
 Average Temperature |
28°C | 8°C | |
 High Temp |
31°C | 9°C | |
| Low Temp |
25°C | 6°C | |
 Total Precipitation |
154 mm | 58 mm | |
| Rainy Days |
9 days | 9 days | |
December
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is January a good time to visit Sydney?
After some sun? Then January isn’t the best time to be in Sydney. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Sydney in January
With 43°C, Sydney hit the highest temperature in the last 10 years in January 2018. The lowest daytime temperature in this month was 18°C in 2016. The extreme night temperatures ranged from a low of 14°C to a high of 25°C.
Check out the climate of Sydney for all months and discover the best travel time
Curious about the climate in other parts of Australia? Check out the weather and climate in places like Gold Coast, Melbourne, Cairns, or have a look at other destinations in Australia.
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Daily Temperature in January in Sydney
This chart shows the average daily temperatures, both day and night, for each day in January in Sydney, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in Sydney
The chart below shows the average daily precipitation in January for Sydney, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 9 days of rain in Sydney.
Daily UV Index in January in Sydney
This chart shows the average daily UV index in January in Sydney, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Sydney Over the Years
This chart shows the average temperature in January in Sydney, measured in degrees Celsius, over the past years.
Total Precipitation in January in Sydney Over the Years
This chart shows the average precipitation in January in Sydney, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in January for Sydney
Click on a specific day in January for detailed info on the typical weather on that day in Sydney. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Sydney
Have you been to Sydney in January?
Share your weather experience in January in Sydney.
Average Weather in Sydney by Month
Click on a month below to see detailed weather info for Sydney. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
