December weather forecastRossarden, Australia

December

Weather in December

The first month of the summer, December, is still a comfortable month in Rossarden, Australia, with an average temperature fluctuating between 18.8°C (65.8°F) and 12.1°C (53.8°F).

Temperature

December's presence marks an average high-temperature of a still comfortable 18.8°C (65.8°F), subtly varied from November's 17.1°C (62.8°F). An average low-temperature of 12.1°C (53.8°F) is anticipated throughout the nights in Rossarden during December.

Humidity

January and December, with an average relative humidity of 73%, are the least humid months.

Rainfall

In Rossarden, during December, the rain falls for 13 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 144.5 rainfall days, and 413mm (16.26") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of December, sunrise is at 5:29 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:46 pm AEDT.

Sunshine

The month with the most sunshine is December, with an average of 9.9h of sunshine.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during December translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

In Rossarden, in December, the average high-temperature is 18.8°C (65.8°F), and the average low-temperature is 12.1°C (53.8°F).

The months with the lowest humidity are January and December, with an average relative humidity of 73%.

The average relative humidity in December is 73%.

In Rossarden, during December, the rain falls for 13 days and regularly aggregates up to 38mm (1.5") of precipitation.

With an average of 15h and 6min of daylight, December has the longest days of the year.

In December, the average day length is 15h and 8min.

On the first day of December, sunrise is at 5:29 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:46 pm AEDT.

The month with the most sunshine is December, with an average of 9.9h of sunshine.

The average sunshine duration in December is 9.9h.

January and December, with an average maximum UV index of 5, are months with the highest UV index.

In Rossarden, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rossarden, Australia

  • Average high temperature in December: 18.8°C

The warmest month (with the highest average high temperature) is January (20.5°C).
The month with the lowest average high temperature is July (12.1°C).

  • Average low temperature in December: 12.1°C

The month with the highest average low temperature is February (14.1°C).
The coldest month (with the lowest average low temperature) is August (6.8°C).

Average pressure in December
Rossarden, Australia

  • Average pressure in December: 1011.3mbar

The month with the highest atmospheric pressure is June (1018.6mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).

Average wind speed in December
Rossarden, Australia

  • Average wind speed in December: 15.3km/h

The windiest month (with the highest average wind speed) is August (17.4km/h).
The calmest month (with the lowest average wind speed) is March (14.7km/h).

Average humidity in December
Rossarden, Australia

  • Average humidity in December: 73%

The month with the highest relative humidity is June (78%).
The months with the lowest relative humidity are January and December (73%).

Average rainfall in December
Rossarden, Australia

  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is March (50mm).
The driest months (with the least rainfall) are July and October (23mm).

Average rainfall days in December
Rossarden, Australia

  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is May (9.6 days).

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

  • Average daylight in December: 15h and 6min

The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).

  • Average sunshine in December: 9h and 54min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in December
Rossarden, Australia

  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is February (11.6 days).

Average UV index in December
Rossarden, Australia

  • Average UV index in December: 5

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

Average cloud cover in December
Rossarden, Australia

  • Average cloud cover in December: 34

The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are May and September (Cloud cover 32).

Average visibility in December
Rossarden, Australia

  • Average visibility in December: 10km

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