July Weather in Sydney, Canada

Last updated: June 18, 2025

In Sydney, Canada, the average temperature in July hovers around 18°C (64°F), creating a pleasant climate for outdoor activities. Expect a minimum of 10°C (50°F) and a maximum of 28°C (83°F), offering a comfortable range throughout the day. However, be prepared for some rain, as 93 mm (3.7 in) of precipitation can fall over 10 days, alongside an average humidity level of 91%, making it a humid yet inviting time to visit.

July Temperature in Sydney

In July in Sydney, the average temperature is 18°C (64°F), with a maximum reaching 28°C (83°F) and a minimum dropping as low as 10°C (50°F). This pleasant weather makes Sydney an ideal destination for travelers looking to enjoy mild and comfortable temperatures.

July Weather in Sydney: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Sydney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sydney, July typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (83°F) and lows dropping to around 10°C (50°F).

Data source: Temperature data for Sydney generated using information from the Copernicus Climate Change Service.

July Precipitation in Sydney

In Sydney in July, the precipitation amount is 93 mm (3.7 in) over the course of 10 days.

July Precipitation Trends in Sydney

The chart displays monthly precipitation patterns in Sydney, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Sydney, July typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Sydney

In Sydney in July humidity is 91%. With an average temperature of 18°C (64°F), this humidity feels like a thick blanket enveloping you, making any outdoor activities somewhat draining and requiring frequent hydration to stay comfortable while exploring.

July Average Humidity in Sydney

This chart illustrates the average monthly humidity levels in Sydney, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Sydney is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Sydney

In Sydney in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sydney.

Maximum UV Index Levels in Sydney for July

The chart shows the monthly maximum UV Index (UVI) for Sydney in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Sydney typically reaches 8, which falls under the very high exposure category.

Data source: Sydney July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Sydney Compares to Other Months

Weather in Sydney varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Sydney, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sydney, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	113 mm (4.5 inches)	86%	low
February Weather	-4°C (25°F)	131 mm (5.2 inches)	87%	moderate
March Weather	-2°C (29°F)	118 mm (4.6 inches)	87%	moderate
April Weather	3°C (37°F)	140 mm (5.5 inches)	87%	high
May Weather	7°C (45°F)	109 mm (4.3 inches)	88%	very high
June Weather	13°C (55°F)	102 mm (4.0 inches)	89%	very high
July Weather	18°C (64°F)	93 mm (3.7 inches)	91%	very high
August Weather	20°C (68°F)	68 mm (2.7 inches)	90%	very high
September Weather	16°C (60°F)	93 mm (3.7 inches)	86%	high
October Weather	10°C (51°F)	108 mm (4.2 inches)	82%	moderate
November Weather	5°C (42°F)	182 mm (7.2 inches)	83%	moderate
December Weather	0°C (33°F)	134 mm (5.3 inches)	83%	low