May weather forecast
Melbourne, Australia

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Melbourne city, Australia with a view of the Federation square across the Yarra River
Melbourne city, Australia with a view of the Federation square across the Yarra River

Weather in May

May marks further changes in Melbourne's weather parameters, with temperature highs reducing more to reach 15.6°C. The shorter Autumn days bring a decrease in daylight hours mirrored by a rise in Melbourne's relative humidity. The sea begins to cool further, making water sports a less frequent activity for locals and tourists alike. Wind enthusiasts, however, may still enjoy Melbourne's average wind speed of 12.4 Kph. Melbourne's weather in May heralds the upcoming winter, creating a blend of crisp air, late autumn colors, and cool sea breezes.

Temperature

May in Melbourne brings a slight decrease in temperature, down from a comfortable 19.3°C in April to a still refreshing 15.6°C. Throughout May, an average low-temperature of 9.1°C is experienced in Melbourne.

Humidity

In May, the average relative humidity in Melbourne is 76%.

Rainfall

In Melbourne, during May, the rain falls for 15.8 days and regularly aggregates up to 42mm of precipitation. In Melbourne, during the entire year, the rain falls for 163.4 days and collects up to 465mm of precipitation.

Sea temperature

In May, the average sea temperature is 17.2°C.
Note: Most people do not take pleasure in swimming in water at 17.2°C. The difficulty of managing breathing increases as the water temperature dips from 21°C to 15°C.

Daylight

In May, the average length of the day in Melbourne is 10h and 6min.
On the first day of May in Melbourne, sunrise is at 7:00 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:10 pm AEST.

Sunshine

In Melbourne, the average sunshine in May is 6.6h.

UV index

The months with the lowest UV index are May through September, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 3 in May translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun is at its strongest around midday, find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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FAQ

What is the temperature in May in Melbourne?

The high-temperature, in May, in Melbourne, records 15.6°C, while the low-temperature is 9.1°C.

What is the average humidity in May in Melbourne?

The average relative humidity in May in Melbourne, Australia, is 76%.

How much does it rain in Melbourne in May?

In Melbourne, Australia, in May, it is raining for 15.8 days, with typically 42mm of accumulated precipitation.

How cold is the water in May in Melbourne?

In May, the average sea temperature in Melbourne, Australia, is 17.2°C. For swimming, a surface water temperature of 17.2°C is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C.

How many hours of daylight does Melbourne have in May?

In Melbourne, Australia, the average day length in May is 10h and 6min.

When are sunrise and sunset in May in Melbourne?

In May, on the first day of the month, sunrise is at 7:00 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:10 pm AEST.

How long on average sun shines in May in Melbourne?

In Melbourne, Australia, the average sunshine duration in May is 6.6h.

What are the months with the lowest UV index in Melbourne?

The months with the lowest UV index are May through September, with an average maximum UV index of 3.

What is the UV index intensity in May in Melbourne?

In May, the average daily maximum UV index in Melbourne, Australia, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Melbourne, Australia

Average temperature in May - Melbourne, Australia
  • Average high temperature in May: 15.6°C

The warmest month (with the highest average high temperature) is January (25.8°C).
The month with the lowest average high temperature is July (12.4°C).

  • Average low temperature in May: 9.1°C

The month with the highest average low temperature is February (14.8°C).
The coldest month (with the lowest average low temperature) is August (6.6°C).

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Average pressure in May
Melbourne, Australia

Average pressure in May - Melbourne, Australia
  • Average pressure in May: 1020.1mbar

The month with the highest atmospheric pressure is June (1021.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).

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Average wind speed in May
Melbourne, Australia

Average wind speed in May - Melbourne, Australia
  • Average wind speed in May: 12.4km/h

The windiest month (with the highest average wind speed) is August (13.9km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).

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Average humidity in May
Melbourne, Australia

Average humidity in May - Melbourne, Australia
  • Average humidity in May: 76%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (63%).

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Average rainfall in May
Melbourne, Australia

Average rainfall in May - Melbourne, Australia
  • Average rainfall in May: 42mm

The wettest months (with the highest rainfall) are August and December (45mm).
The driest months (with the least rainfall) are March and April (34mm).

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Average rainfall days in May
Melbourne, Australia

Average rainfall days in May - Melbourne, Australia
  • Average rainfall days in May: 15.8 days

The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is January (9.5 days).

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Average sea temperature in May
Melbourne, Australia

Average sea temperature in May - Melbourne, Australia
  • Average sea temperature in May: 17.2°C

The best month for swimming (with the highest average sea temperature) is February (18.8°C).
The coldest month (with the lowest average sea temperature) is September (14.7°C).

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Average daylight in May /
Average sunshine in May
Melbourne, Australia

Average daylight in May / Average sunshine in May - Melbourne, Australia
  • Average daylight in May: 10h and 1min

The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).

  • Average sunshine in May: 6h and 4min

The month with the most sunshine is December (Average sunshine: 9h and 48min).
The months with the least sunshine are July and August (Average sunshine: 6h and 30min).

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Average sunshine days in May
Melbourne, Australia

Average sunshine days in May - Melbourne, Australia
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is January (16.7 days).
The months with the least sunshine days are July and August (10.5 days).

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Average UV index in May
Melbourne, Australia

Average UV index in May - Melbourne, Australia
  • Average UV index in May: 3

The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

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Average cloud cover in May
Melbourne, Australia

Average cloud cover in May - Melbourne, Australia
  • Average cloud cover in May: 47

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 30).

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Average visibility in May
Melbourne, Australia

Average visibility in May - Melbourne, Australia
  • Average visibility in May: 9km

The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are April, May, June, July, August, September, October, November and December (9km).

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Melbourne, Australia

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