July Weather in Joondalup, Australia

Last updated: August 22, 2025

In July, the average temperature in Joondalup, Australia hovers around 14°C (58°F). Expect a range that dips to a cool 8°C (47°F) at the lowest and can rise to a pleasant 23°C (74°F) at its peak. With an average precipitation of 111 mm (4.4 in) spread over 15 days, and humidity levels at a steady 74%, this month promises a mix of mild weather and refreshing showers.

July Temperature in Joondalup

In July in Joondalup, the average temperature is 14°C (58°F). Temperatures can rise to a maximum of 23°C (74°F) and dip to a minimum of 8°C (47°F). This makes it a pleasant time to visit, perfect for outdoor activities and exploring the local sights.

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

The chart illustrates July temperature patterns in Joondalup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joondalup, July typically has an average temperature of 14°C (58°F), with highs reaching up to 23°C (74°F) and lows dropping to around 8°C (47°F).

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

July Precipitation in Joondalup

In Joondalup in July, the total precipitation amount is 111 mm (4.4 in) spread over 15 days.

July Precipitation Trends in Joondalup

The chart displays monthly precipitation patterns in Joondalup, 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 Joondalup, July typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 15 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 Joondalup

In Joondalup in July humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

July Average Humidity in Joondalup

This chart illustrates the average monthly humidity levels in Joondalup, 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 Joondalup is approximately 74%, 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 Joondalup

In Joondalup in July, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Joondalup for better planning.

Maximum UV Index Levels in Joondalup for July

The chart shows the monthly maximum UV Index (UVI) for Joondalup 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 Joondalup typically reaches 4, which falls under the moderate exposure category.

Data source: Joondalup 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 Joondalup Compares to Other Months

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

This table compares monthly weather conditions in Joondalup, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	29 mm (1.2 inches)	40%	extreme
February Weather	24°C (75°F)	58 mm (2.3 inches)	44%	extreme
March Weather	23°C (73°F)	20 mm (0.8 inches)	50%	extreme
April Weather	20°C (68°F)	21 mm (0.8 inches)	65%	very high
May Weather	17°C (63°F)	54 mm (2.1 inches)	69%	high
June Weather	15°C (59°F)	100 mm (3.9 inches)	75%	moderate
July Weather	14°C (58°F)	111 mm (4.4 inches)	74%	moderate
August Weather	14°C (58°F)	102 mm (4.0 inches)	70%	high
September Weather	15°C (60°F)	39 mm (1.5 inches)	61%	very high
October Weather	17°C (63°F)	39 mm (1.5 inches)	50%	extreme
November Weather	20°C (68°F)	24 mm (0.9 inches)	45%	extreme
December Weather	23°C (73°F)	9 mm (0.3 inches)	40%	extreme