July weather forecastSydney, Australia

The landmarks of the city of Sydney, Australia

July

Weather in July

July in Sydney represents the depths of winter weather, predominantly cold with a low chance of rainfall. Sweaters and coats are staple wears, and fireplaces become a much-loved feature in homes. July's notable features include a lower temperature of 8.1°C (46.6°F) and rainfall amounting to a moderate 97mm (3.82"). As the rainfall lessens, the frequency of clear skies increases, painting a bright azure canopy over the city. Ultimately, July is the climax of Sydney's winter, a term not to be taken lightly.

Temperature

July, known for its average high temperature of 16.3°C (61.3°F) and an average low temperature of 8.1°C (46.6°F), is the coldest month.

Humidity

In July, the average relative humidity is 51%.

Rainfall

In Sydney, during July, the rain falls for 11.1 days and regularly aggregates up to 97mm (3.82") of precipitation. In Sydney, during the entire year, the rain falls for 143.4 days and collects up to 1212mm (47.72") of precipitation.

Sea temperature

In Sydney, in July, the average water temperature is 19.1°C (66.4°F).
Note: Swimming becomes less enjoyable for most at a surface water temperature of 19.1°C (66.4°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.

Daylight

In July, the average length of the day is 10h and 8min.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:57 pm. On the last day of July, in Sydney, Australia, sunrise is at 6:48 am and sunset at 5:15 pm AEST.

Sunshine

In July, the average sunshine is 6.6h.

UV index

In July, the average daily maximum UV index in Sydney, Australia, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 3 in July translates into these instructions:
Undertake protective steps - Preventing sun damage is advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The coldest month in Sydney, Australia, 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).

In Sydney, 16.3°C (61.3°F) is the average high-temperature and 8.1°C (46.6°F) is the average low-temperature during July.

In Sydney, the average relative humidity in July is 51%.

In Sydney, in July, during 11.1 rainfall days, 97mm (3.82") of precipitation is typically accumulated.

In Sydney, Australia, the average seawater temperature in July is 19.1°C (66.4°F). For swimming, a surface water temperature of 19.1°C (66.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

The average day length in July in Sydney is 10h and 8min.

In July, on the first day of the month, sunrise is at 7:00 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:15 pm AEST.

The average sunshine duration in July in Sydney, Australia, is 6.6h.

In July, the average daily maximum UV index in Sydney, Australia, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

17°C

16.3°C

17.8°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

12.5

11.1

10.4

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in July
Sydney, Australia

Average high temperature in July: 16.3°C

The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (16.3°C).

Average low temperature in July: 8.1°C

The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average humidity in July
Sydney, Australia

Average humidity in July: 51%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (49%).

Average rainfall in July
Sydney, Australia

Average rainfall in July: 97mm

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

Average rainfall days in July
Sydney, Australia

Average rainfall days in July: 11.1 days

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

Average sea temperature in July
Sydney, Australia

Average sea temperature in July: 19.1°C

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 in July /
Average sunshine in July
Sydney, Australia

Average daylight in July: 10h and 6min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

Average sunshine in July: 6h and 36min

The months with the most sunshine are August, September, October and December (Average sunshine: 7h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).