May Weather in Perthville, Australia

Last updated: August 22, 2025

In May, the average temperature in Perthville, Australia hovers around 9°C (48°F). With minimums dipping to -5°C (24°F) and maximums soaring to 21°C (71°F), the weather is quite variable. Expect about 34 mm (1.4 in) of precipitation spread over 5 days, and enjoy a comfortable average humidity of 78%.

May Temperature in Perthville

In May in Perthville, the average temperature is 9°C (48°F). Maximums can reach 21°C (71°F), and minimums can be as low as -5°C (24°F). It's advisable to pack layers to stay comfortable during your travels.

May Weather in Perthville: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Perthville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Perthville, May typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (71°F) and lows dropping to around -5°C (24°F).

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

May Precipitation in Perthville

In Perthville in May, the precipitation amount is 34 mm (1.4 in) spread over 5 days.

May Precipitation Trends in Perthville

The chart displays monthly precipitation patterns in Perthville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Perthville, May typically receives around 34 mm (1.4 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Perthville

In Perthville in May humidity is 78%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions less enjoyable as you navigate the damp air.

May Average Humidity in Perthville

This chart illustrates the average monthly humidity levels in Perthville, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Perthville is approximately 78%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Perthville

In Perthville in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Perthville, you can refer to this Hourly UV Index in Perthville.

Maximum UV Index Levels in Perthville for May

The chart shows the monthly maximum UV Index (UVI) for Perthville in May, 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 May, the maximum UV index in Perthville typically reaches 6, which falls under the high exposure category.

Data source: Perthville May 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 May Weather in Perthville Compares to Other Months

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

This table compares monthly weather conditions in Perthville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	51 mm (2.0 inches)	55%	extreme
February Weather	19°C (67°F)	68 mm (2.7 inches)	60%	extreme
March Weather	17°C (63°F)	93 mm (3.7 inches)	68%	extreme
April Weather	13°C (56°F)	26 mm (1.0 inches)	74%	very high
May Weather	9°C (48°F)	34 mm (1.4 inches)	78%	high
June Weather	6°C (43°F)	37 mm (1.5 inches)	78%	moderate
July Weather	5°C (42°F)	45 mm (1.8 inches)	79%	moderate
August Weather	6°C (42°F)	62 mm (2.4 inches)	74%	high
September Weather	9°C (49°F)	45 mm (1.8 inches)	69%	very high
October Weather	13°C (56°F)	58 mm (2.3 inches)	57%	extreme
November Weather	15°C (60°F)	88 mm (3.5 inches)	53%	extreme
December Weather	19°C (66°F)	79 mm (3.1 inches)	62%	extreme