Sydney
Australia
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Sydney, Australia

The landmarks of the city of Sydney, Australia viewed from above the vast Parramatta River
The landmarks of the city of Sydney, Australia viewed from above the vast Parramatta River
January, like December, in Sydney, Australia, is another warm summer month, with average temperature fluctuating between 18.7°C (65.7°F) and 25.9°C (78.6°F). The warmest month is January, with an average high-temperature of 25.9°C (78.6°F) and an average low-temperature of 18.7°C (65.7°F). Weather in January »
February, the last month of the summer, in Sydney, is also a moderately hot month, with average temperature varying between 18.8°C (65.8°F) and 25.8°C (78.4°F). In Sydney, the average high-temperature in February is essentially the same as in January - a still moderately hot 25.8°C (78.4°F). Weather in February »

The first month of the autumn, March, is also a moderately hot month in Sydney, Australia, with average temperature ranging between min 17.6°C (63.7°F) and max 24.8°C (76.6°F). In Sydney, the average high-temperature in March is practically the same as in February - a still warm 24.8°C (76.6°F). Weather in March »

April, the same as March, in Sydney, Australia, is another pleasant autumn month, with average temperature varying between 14.7°C (58.5°F) and 22.4°C (72.3°F). In Sydney, Australia, the average high-temperature is essentially the same as in March - an agreeable 22.4°C (72.3°F). Weather in April »

May, the last month of the autumn, in Sydney, is also an enjoyable month, with average temperature fluctuating between 19.5°C (67.1°F) and 11.6°C (52.9°F). In Sydney, the average high-temperature is essentially the same as in April - an enjoyable 19.5°C (67.1°F). Weather in May »

The first month of the winter, June, is still a comfortable month in Sydney, Australia, with average temperature varying between 17°C (62.6°F) and 9.3°C (48.7°F). In June, the average high-temperature is essentially the same as in May - a still comfortable 17°C (62.6°F). Weather in June »

July, the same as June, is another enjoyable winter month in Sydney, Australia, with temperature in the range of an average high of 16.3°C (61.3°F) and an average low of 8.1°C (46.6°F). July is the coldest month, with an average high-temperature of 16.3°C (61.3°F) and an average low-temperature of 8.1°C (46.6°F). Weather in July »

August, the last month of the winter, in Sydney, is also an enjoyable month, with average temperature ranging between min 9°C (48.2°F) and max 17.8°C (64°F). In Sydney, the average high-temperature is almost the same as in July - a still enjoyable 17.8°C (64°F). Weather in August »

September, the first month of the spring, in Sydney, is a pleasant month, with average temperature fluctuating between 20°C (68°F) and 11.1°C (52°F). In Sydney, Australia, the average high-temperature in September is relatively the same as in August - an agreeable 20°C (68°F). Weather in September »

October, like September, is an agreeable spring month in Sydney, Australia, with temperature in the range of an average low of 13.6°C (56.5°F) and an average high of 22.1°C (71.8°F). In Sydney, the average high-temperature in October is practically the same as in September - a still agreeable 22.1°C (71.8°F). Weather in October »

The last month of the spring, November, is a moderately hot month in Sydney, Australia, with average temperature varying between 15.7°C (60.3°F) and 23.6°C (74.5°F). In Sydney, the average high-temperature in November is practically the same as in October - a warm 23.6°C (74.5°F). Weather in November »

The first month of the summer, December, is still a warm month in Sydney, Australia, with average temperature fluctuating between 25.2°C (77.4°F) and 17.5°C (63.5°F). In December, the average high-temperature is practically the same as in November - a still moderately hot 25.2°C (77.4°F). Weather in December »

What is the warmest month in Sydney?

January is the warmest month in Sydney, with an average high-temperature of 25.9°C (78.6°F) and an average low-temperature of 18.7°C (65.7°F).

How much does it rain in Sydney?

In Sydney, Australia, during the entire year, the rain falls for 143.4 days and collects up to 1212.1mm (47.7") of precipitation.

When is the highest UV index in Sydney?

Months with the highest UV index are January and December, with an average maximum UV index of 12.

What is the most humid month in Sydney?

February is the most humid month in Sydney, Australia, with an average relative humidity of 64%.

What is the month with the warmest sea water in Sydney?

February is the month with the warmest seawater, with an average sea temperature of 23.7°C (74.7°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.7°C (74.7°F) water may be enjoyable.

What is the wettest month in Sydney?

June is the month with the most rainfall in Sydney, Australia. Rain falls for 12.5 days and accumulates 131.9mm (5.2") of precipitation.

What is the month with the shortest days in Sydney?

June has the shortest days of the year, with an average of 9.9h of daylight.

What is the month with the least sunshine in Sydney?

The month with the least sunshine is June, with an average of 5.9h of sunshine.

What is the month with the lowest UV index in Sydney?

The month with the lowest UV index is June, with an average maximum UV index of 2.

What is the coldest month in Sydney?

The coldest month in Sydney is July, with an average high-temperature of 16.3°C (61.3°F) and an average low-temperature of 8.1°C (46.6°F).

What is the least humid month in Sydney?

The least humid month in Sydney is August, with an average relative humidity of 49%.

What are the months with the most sunshine in Sydney?

Months with the most sunshine in Sydney, Australia, are August through October and December, with an average of 7.9h of sunshine.

What is the driest month in Sydney?

The month with the least rainfall is September when the rain falls for 10.5 days and typically collects 68.3mm (2.7") of precipitation.

What month is the sea coldest in Sydney?

September is the month with the coldest seawater, with an average sea temperature of 18.6°C (65.5°F). For most, swimming in 18.6°C (65.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

When are the longest days in Sydney?

December has the longest days of the year in Sydney, Australia, with an average of 14.4h of daylight.
Average temperature - Sydney, Australia
Average humidity - Sydney, Australia
Average rainfall - Sydney, Australia

The wettest month (with the highest rainfall) is June (131.9mm).
The driest month (with the lowest rainfall) is September (68.3mm).

Average rainfall days - Sydney, Australia

The month with the highest number of rainy days is March (13.6 days).
The month with the lowest number of rainy days is August (10.4 days).

Average sea temperature - Sydney, Australia

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight / Average sunshine - Sydney, Australia

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).

Months with most sunshine are August, September, October and December (Average sunshine: 7.9h).
The month with least sunshine is June (Average sunshine: 5.9h).