June Weather in Perth, Canada

Last updated: June 18, 2025

In June, the average temperature in Perth, Canada sits comfortably at 18°C (64°F). Expect variations with a minimum of 2°C (36°F) and a maximum soaring to 31°C (88°F). Visitors should prepare for some rain, as 85 mm (3.3 in) of precipitation is expected over 13 days, accompanied by an average humidity level of 68%. Enjoy the climate while exploring all that this beautiful destination has to offer!

June Temperature in Perth

In June in Perth, the average temperature is 18°C (64°F). Maximum temperatures can reach 31°C (88°F), while minimums can dip as low as 2°C (36°F). It's a great time to visit for travelers seeking mild weather with a chance to experience both warm and cool days.

June Weather in Perth: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Perth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Perth, June typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (36°F).

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

June Precipitation in Perth

In Perth in June, the precipitation amount is 85 mm (3.3 in) spread over 13 days.

June Precipitation Trends in Perth

The chart displays monthly precipitation patterns in Perth, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Perth, June typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Perth

In Perth in June, humidity is 68%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making for a slightly muggy experience that can leave you feeling sticky as you explore, so it’s best to stay hydrated and take frequent breaks in the shade.

June Average Humidity in Perth

This chart illustrates the average monthly humidity levels in Perth, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Perth is approximately 68%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Perth

In Perth in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Perth.

Maximum UV Index Levels in Perth for June

The chart shows the monthly maximum UV Index (UVI) for Perth in June, 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 June, the maximum UV index in Perth typically reaches 9, which falls under the very high exposure category.

Data source: Perth June 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 June Weather in Perth Compares to Other Months

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

This table compares monthly weather conditions in Perth, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	72 mm (2.8 inches)	93%	low
February Weather	-7°C (20°F)	72 mm (2.8 inches)	93%	moderate
March Weather	-2°C (29°F)	75 mm (2.9 inches)	86%	moderate
April Weather	5°C (42°F)	115 mm (4.5 inches)	82%	very high
May Weather	12°C (55°F)	102 mm (4.0 inches)	75%	very high
June Weather	18°C (64°F)	85 mm (3.3 inches)	68%	very high
July Weather	21°C (71°F)	107 mm (4.2 inches)	69%	very high
August Weather	20°C (69°F)	87 mm (3.4 inches)	67%	very high
September Weather	16°C (61°F)	55 mm (2.2 inches)	72%	high
October Weather	10°C (49°F)	126 mm (5.0 inches)	83%	moderate
November Weather	1°C (35°F)	89 mm (3.5 inches)	88%	moderate
December Weather	-4°C (25°F)	76 mm (3.0 inches)	89%	low