Melbourne
Australia
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Melbourne, Australia

The last month of the autumn, May, is another mild month in Melbourne, Australia, with average temperature fluctuating between 9.1°C (48.4°F) and 15.6°C (60.1°F).

Temperature

In Melbourne, the average high-temperature marginally drops, from a comfortable 19.3°C (66.7°F) in April, to a mild 15.6°C (60.1°F). In May, the average low-temperature is 9.1°C (48.4°F).

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 (1.65") of precipitation. In Melbourne, during the entire year, the rain falls for 163.4 days and collects up to 465mm (18.31") of precipitation.

Sea temperature

In May, the average sea temperature in Melbourne is 17.2°C (63°F).
Note: For most, swimming in 17.2°C (63°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Melbourne, the average length of the day in May is 10.1h.

Sunshine

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

UV index

Months with the lowest UV index are May through September, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Melbourne?

The average high-temperature, in May, is 15.6°C (60.1°F), while the average low-temperature is 9.1°C (48.4°F).

What is the average humidity in May in Melbourne?

In May, the average relative humidity 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, in May, the average water temperature is 17.2°C (63°F). Swimming in 17.2°C (63°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Melbourne have in May?

The average length of the day in May in Melbourne is 10.1h.

How many hours of sunshine does Melbourne have in May?

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

What is the month with the lowest UV index in Melbourne?

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

What is the UV index reading in May in Melbourne?

In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
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 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: 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: 15.8 days

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: 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: 10.1h

The month with the longest days is December (Average daylight: 14.7h).
The month with the shortest days is June (Average daylight: 9.6h).

  • Average sunshine in May: 6.6h

The month with the most sunshine is December (Average sunshine: 9.8h).
Months with the least sunshine are July and August (Average sunshine: 6.5).

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

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