December weather forecast
Rockbank, Australia

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Weather in December

The first month of the summer, December, is a moderately hot month in Rockbank, Australia, with temperature in the range of an average low of 12.8°C (55°F) and an average high of 23.1°C (73.6°F).

Temperature

Welcoming December, Rockbank notes an average high-temperature of a warm 23.1°C (73.6°F), nearly consistent with November's 21.2°C (70.2°F). During the month of December, Rockbank anticipates a mean low-temperature of 12.8°C (55°F).

Humidity

The average relative humidity in December in Rockbank is 66%.

Rainfall

In December, the rain falls for 11.7 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Rockbank, there are 157.6 rainfall days, and 415mm (16.34") of precipitation is accumulated.

Daylight

With an average of 14h and 42min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:27 pm. On the last day of December, in Rockbank, sunrise is at 6:02 am and sunset at 8:46 pm AEDT.

Sunshine

December has the most sunshine of the year, with an average of 9.9h of sunshine.

UV index

December is the month with the highest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What are December temperatures in Rockbank?

During December, Rockbank experiences an average high-temperature of 23.1°C (73.6°F) and a low-temperature of 12.8°C (55°F).

What is the average humidity in December in Rockbank?

In Rockbank, the average relative humidity in December is 66%.

How much does it rain in Rockbank in December?

In Rockbank, in December, it is raining for 11.7 days, with typically 39mm (1.54") of accumulated precipitation.

When are the longest days in Rockbank?

December has the longest days of the year in Rockbank, with an average of 14h and 42min of daylight.

What is the average length of the day in December in Rockbank?

The average day length in December in Rockbank, Australia, is 14h and 43min.

When are sunrise and sunset in December in Rockbank?

On the first day of December in Rockbank, sunrise is at 5:53 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:46 pm AEDT.

What month has the most sunshine in Rockbank?

With an average of 9.9h of sunshine, December has the most sunshine of the year in Rockbank, Australia.

How long on average sun shines in December in Rockbank?

The average sunshine duration in December in Rockbank is 9.9h.

When is the highest UV index in Rockbank?

The month with the highest UV index is December, with an average maximum UV index of 6.

What is the UV index reading in December in Rockbank?

In December, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Rockbank, Australia

Average temperature in December - Rockbank, Australia
  • Average high temperature in December: 23.1°C

The warmest month (with the highest average high temperature) is January (25.1°C).
The month with the lowest average high temperature is July (12.8°C).

  • Average low temperature in December: 12.8°C

The month with the highest average low temperature is February (15.2°C).
The coldest month (with the lowest average low temperature) is August (6.8°C).

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Average pressure in December
Rockbank, Australia

Average pressure in December - Rockbank, Australia
  • Average pressure in December: 1012.7mbar

The month with the highest atmospheric pressure is June (1021.3mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).

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Average wind speed in December
Rockbank, Australia

Average wind speed in December - Rockbank, Australia
  • Average wind speed in December: 11.8km/h

The windiest month (with the highest average wind speed) is August (15km/h).
The calmest month (with the lowest average wind speed) is April (11.3km/h).

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Average humidity in December
Rockbank, Australia

Average humidity in December - Rockbank, Australia
  • Average humidity in December: 66%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (64%).

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Average rainfall in December
Rockbank, Australia

Average rainfall in December - Rockbank, Australia
  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (27mm).

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Average rainfall days in December
Rockbank, Australia

Average rainfall days in December - Rockbank, Australia
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is August (16.6 days).
The month with the least rainy days is January (8.9 days).

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Average daylight in December /
Average sunshine in December
Rockbank, Australia

Average daylight in December / Average sunshine in December - Rockbank, Australia
  • Average daylight in December: 14h and 4min

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 December: 9h and 5min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).

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Average sunshine days in December
Rockbank, Australia

Average sunshine days in December - Rockbank, Australia
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (11.3 days).

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Average UV index in December
Rockbank, Australia

Average UV index in December - Rockbank, Australia
  • Average UV index in December: 6

The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 3).

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Average cloud cover in December
Rockbank, Australia

Average cloud cover in December - Rockbank, Australia
  • Average cloud cover in December: 33

The months with the most cloud cover are May and August (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 30).

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Average visibility in December
Rockbank, Australia

Average visibility in December - Rockbank, Australia
  • Average visibility in December: 10km

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

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Rockbank, Australia

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