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 (60.1°F). 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

In Melbourne, entering May brings a subtle temperature decrement, reducing from April's 19.3°C (66.7°F) to a still refreshing 15.6°C (60.1°F). During May, Melbourne records an average temperature of 9.1°C (48.4°F) at night.

Humidity

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

Rainfall

In Melbourne, in May, during 15.8 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Melbourne, Australia, there are 163.4 rainfall days, and 465mm (18.31") of precipitation is accumulated.

Sea temperature

In Melbourne, the average seawater temperature in May is 17.2°C (63°F).
Note: In 17.2°C (63°F), swimming is not an enjoyable activity for most. As the temperature decreases from 21°C (69.8°F) to 15°C (59°F), it becomes harder to control breathing.

Daylight

In Melbourne, the average length of the day in May is 10h and 6min.
On the first day of the month, sunrise is at 7:01 am and sunset at 5:33 pm. On the last day of May, in Melbourne, sunrise is at 7:25 am and sunset at 5:09 pm AEST.

Sunshine

The average sunshine in May is 6.6h.

UV index

The months with the lowest UV index in Melbourne are May through September, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 3 in May interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What is the temperature in May in Melbourne?

Melbourne in May has an average high-temperature of 15.6°C (60.1°F) and an average low-temperature of 9.1°C (48.4°F).

What is the average humidity in May in Melbourne?

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

How much does it rain in Melbourne in May?

In Melbourne, Australia, in May, during 15.8 rainfall days, 42mm (1.65") of precipitation is typically accumulated.

How cold is the water in May in Melbourne?

In Melbourne, Australia, in May, the average water temperature is 17.2°C (63°F). For swimming, a surface water temperature of 17.2°C (63°F) 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 (69.8°F).

What is the average length of the day in May in Melbourne?

In Melbourne, 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 7:01 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:09 pm AEST.

How many hours of sunshine does Melbourne have in May?

The average sunshine duration in May in Melbourne is 6.6h.

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

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

What is the UV index reading in May in Melbourne?

In Melbourne, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

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).

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).

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).

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%).

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).

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).

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).

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).

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).

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).

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).

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).

Melbourne, Australia

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