December weather forecast and climate
Melbourne, Australia

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

What is the temperature in December in Melbourne?

In December, the average high-temperature is 24.2°C (75.6°F), and the average low-temperature is 13°C (55.4°F).

How much does it rain in Melbourne in December?

In Melbourne, Australia, in December, during 10.4 rainfall days, typically, 59mm (2.3") of precipitation is accumulated.

What is the sea water temperature in December in Melbourne?

In Melbourne, in December, the average water temperature is 17.5°C (63.5°F). For most, swimming in 17.5°C (63.5°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).
Average temperature in December - Melbourne, Australia
  • Average high temperature in December: 24.2°C

The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (13.5°C).

  • Average low temperature in December: 13°C

The month with the highest average low temperature is February (14.6°C).
The coldest month (with the lowest average low temperature) is July (6°C).

Average humidity in December - Melbourne, Australia
  • Average humidity in December: 47%

The month with the highest relative humidity is June (63%).
Months with the lowest relative humidity are January and December (47%).

Average rainfall in December - Melbourne, Australia
  • Average rainfall in December: 59mm

The wettest month (with the highest rainfall) is October (66mm).
The driest month (with the lowest rainfall) is January (46.8mm).

Average rainfall days in December - Melbourne, Australia
  • Average rainfall days in December: 10.4 days

Months with the highest number of rainy days are July and August (16.1 days).
The month with the lowest number of rainy days is February (7.5 days).

Average sea temperature in December - Melbourne, Australia
  • Average sea temperature in December: 17.5°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 December / Average sunshine in December - Melbourne, Australia
  • Average daylight in December: 14.7h

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

  • Average sunshine in December: 7.5h

The month with most sunshine is January (Average sunshine: 9h).
The month with least sunshine is June (Average sunshine: 3.6h).

Average UV index in December - Melbourne, Australia
  • Average UV index in December: 11

The month with the highest UV index is January (UV index 12).
Months with the lowest UV index are June and July (UV index 2).

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