July Weather in Mortlake, Australia

Last updated: August 22, 2025

In Mortlake, Australia, the average temperature in July hovers around 9°C (48°F). Expect a minimum chill of -2°C (29°F) and a pleasant maximum of 17°C (64°F). You'll also experience about 58 mm (2.3 in) of precipitation spread over 12 days, and with an average humidity of 80%, be prepared for some damp days.

July Temperature in Mortlake

In July in Mortlake, the average temperature is 9°C (48°F). Maximums can reach 17°C (64°F) and minimums can be as low as -2°C (29°F). Be prepared for a mix of cool and mild weather when traveling during this time.

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

The chart illustrates July temperature patterns in Mortlake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mortlake, July typically has an average temperature of 9°C (48°F), with highs reaching up to 17°C (64°F) and lows dropping to around -2°C (29°F).

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

July Precipitation in Mortlake

In Mortlake in July, the precipitation amount is 58 mm (2.3 in) spread over 12 days.

July Precipitation Trends in Mortlake

The chart displays monthly precipitation patterns in Mortlake, 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 Mortlake, July typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Mortlake

In Mortlake in July humidity is 80%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.

July Average Humidity in Mortlake

This chart illustrates the average monthly humidity levels in Mortlake, 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 Mortlake is approximately 80%, 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 Mortlake

In Mortlake in July, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Mortlake, you can check the information here.

Maximum UV Index Levels in Mortlake for July

The chart shows the monthly maximum UV Index (UVI) for Mortlake 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 Mortlake typically reaches 3, which falls under the moderate exposure category.

Data source: Mortlake 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 Mortlake Compares to Other Months

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

This table compares monthly weather conditions in Mortlake, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	40 mm (1.6 inches)	65%	extreme
February Weather	18°C (64°F)	32 mm (1.2 inches)	67%	extreme
March Weather	17°C (63°F)	41 mm (1.6 inches)	71%	extreme
April Weather	14°C (58°F)	51 mm (2.0 inches)	75%	high
May Weather	11°C (52°F)	69 mm (2.7 inches)	80%	moderate
June Weather	9°C (48°F)	40 mm (1.6 inches)	80%	moderate
July Weather	9°C (48°F)	58 mm (2.3 inches)	80%	moderate
August Weather	9°C (48°F)	69 mm (2.7 inches)	79%	moderate
September Weather	10°C (51°F)	69 mm (2.7 inches)	76%	high
October Weather	13°C (55°F)	74 mm (2.9 inches)	72%	very high
November Weather	15°C (59°F)	73 mm (2.9 inches)	72%	extreme
December Weather	17°C (62°F)	46 mm (1.8 inches)	69%	extreme