May Weather in Melbourne, United States

Last updated: June 24, 2025

In May, the average temperature in Melbourne, United States hovers around 25°C (77°F), making it a pleasant time to visit. Expect a minimum of 17°C (63°F) and a maximum of 32°C (89°F). You'll experience about 115 mm (4.5 in) of precipitation spread over 13 days, contributing to an average humidity of 65%.

May Temperature in Melbourne

In May in Melbourne, the average temperature is 25°C (77°F), with a maximum that can reach 32°C (89°F) and a minimum that can dip to as low as 17°C (63°F). This pleasant climate makes Melbourne an ideal destination for travelers looking to enjoy mild and comfortable weather.

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

The chart illustrates May temperature patterns in Melbourne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Melbourne, May typically has an average temperature of 25°C (77°F), with highs reaching up to 32°C (89°F) and lows dropping to around 17°C (63°F).

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

May Precipitation in Melbourne

In Melbourne in May, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

May Precipitation Trends in Melbourne

The chart displays monthly precipitation patterns in Melbourne, 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 Melbourne, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 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 Melbourne

In Melbourne in May, humidity is 65%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor activities slightly uncomfortable but still bearable, as the sticky air clings to your skin and encourages you to seek shade or a refreshing drink.

May Average Humidity in Melbourne

This chart illustrates the average monthly humidity levels in Melbourne, 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 Melbourne is approximately 65%, 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 Melbourne

In Melbourne in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Melbourne.

Maximum UV Index Levels in Melbourne for May

The chart shows the monthly maximum UV Index (UVI) for Melbourne 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 Melbourne typically reaches 11, which falls under the extreme exposure category.

Data source: Melbourne 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 Melbourne Compares to Other Months

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

This table compares monthly weather conditions in Melbourne, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	37 mm (1.5 inches)	83%	high
February Weather	21°C (69°F)	48 mm (1.9 inches)	80%	very high
March Weather	21°C (70°F)	20 mm (0.8 inches)	75%	very high
April Weather	23°C (74°F)	72 mm (2.8 inches)	68%	extreme
May Weather	25°C (77°F)	115 mm (4.5 inches)	65%	extreme
June Weather	27°C (80°F)	153 mm (6.0 inches)	73%	extreme
July Weather	28°C (82°F)	187 mm (7.3 inches)	77%	extreme
August Weather	28°C (82°F)	208 mm (8.2 inches)	80%	extreme
September Weather	27°C (82°F)	168 mm (6.6 inches)	83%	extreme
October Weather	26°C (79°F)	118 mm (4.6 inches)	83%	very high
November Weather	23°C (73°F)	65 mm (2.6 inches)	83%	high
December Weather	20°C (68°F)	57 mm (2.2 inches)	84%	moderate