May Weather in Whyalla, Australia

Last updated: August 22, 2025

In May, the average temperature in Whyalla, Australia hovers around 15°C (59°F), providing a comfortable climate for outdoor activities. However, temperatures can range from a chilly 4°C (39°F) to a warm 30°C (87°F), making it wise to dress in layers. Expect a modest precipitation amount of 16 mm (0.6 in) over approximately 3 days, with an average humidity level of 66%, ensuring a refreshing ambiance throughout the month.

May Temperature in Whyalla

In May in Whyalla, the average temperature is 15°C (59°F). Maximums can reach 30°C (87°F), and minimums can be as low as 4°C (39°F). This makes it a perfect time for travelers to enjoy a comfortable climate while exploring the local attractions.

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

The chart illustrates May temperature patterns in Whyalla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Whyalla, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around 4°C (39°F).

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

May Precipitation in Whyalla

In Whyalla in May, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

May Precipitation Trends in Whyalla

The chart displays monthly precipitation patterns in Whyalla, 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 Whyalla, May typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Whyalla

In Whyalla in May humidity is 66%. With an average temperature of 15°C (59°F), this humidity feels like a thick blanket wrapping around you, making traveling somewhat uncomfortable as the warmth can easily sap your energy and leave you longing for refreshing cool breezes.

May Average Humidity in Whyalla

This chart illustrates the average monthly humidity levels in Whyalla, 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 Whyalla is approximately 66%, 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 Whyalla

In Whyalla 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 Whyalla, you can refer to this Hourly UV Index in Whyalla.

Maximum UV Index Levels in Whyalla for May

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

Data source: Whyalla 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 Whyalla Compares to Other Months

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

This table compares monthly weather conditions in Whyalla, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	16 mm (0.6 inches)	31%	extreme
February Weather	24°C (75°F)	19 mm (0.7 inches)	36%	extreme
March Weather	23°C (73°F)	6 mm (0.3 inches)	47%	extreme
April Weather	19°C (67°F)	18 mm (0.7 inches)	58%	very high
May Weather	15°C (59°F)	16 mm (0.6 inches)	66%	high
June Weather	12°C (53°F)	21 mm (0.8 inches)	70%	moderate
July Weather	12°C (53°F)	16 mm (0.6 inches)	70%	moderate
August Weather	12°C (55°F)	23 mm (0.9 inches)	63%	high
September Weather	16°C (61°F)	14 mm (0.6 inches)	53%	very high
October Weather	19°C (66°F)	21 mm (0.8 inches)	39%	extreme
November Weather	21°C (70°F)	38 mm (1.5 inches)	42%	extreme
December Weather	23°C (74°F)	17 mm (0.7 inches)	38%	extreme