December weather forecastOld Beach, Australia

December

Weather in December

December, the first month of the summer in Old Beach, is still a comfortable month, with an average temperature varying between 9.6°C (49.3°F) and 18.5°C (65.3°F).

Temperature

On the advent of December, Old Beach's average high-temperature exhibits a minor adjustment to a still comfortable 18.5°C (65.3°F) from November's 17°C (62.6°F). During the month of December, Old Beach experiences a steady low-temperature average of 9.6°C (49.3°F).

Humidity

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

Rainfall

In Old Beach, during December, the rain falls for 13.7 days and regularly aggregates up to 35mm (1.38") of precipitation. In Old Beach, during the entire year, the rain falls for 163.7 days and collects up to 356mm (14.02") of precipitation.

Snowfall

In Old Beach, snow does not fall in January through July, September through December.

Sea temperature

In December, the average sea temperature is 15.6°C (60.1°F).
Note: In water with a temperature of 15.6°C (60.1°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.

Daylight

The month with the longest days is December, with an average of 15h and 18min of daylight.
On the first day of December, sunrise is at 5:27 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:52 pm AEDT.

Sunshine

The month with the most sunshine is December, with an average of 9.2h of sunshine.

UV index

December is the month with the highest UV index, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 5 in December leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

The average high-temperature and low-temperature during December are 18.5°C (65.3°F) and 9.6°C (49.3°F) respectively.

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

In Old Beach, the average relative humidity in December is 73%.

In December, the rain falls for 13.7 days. Throughout December, 35mm (1.38") of precipitation is accumulated.

January through July, September through December are months without snowfall.

In Old Beach, in December, the average water temperature is 15.6°C (60.1°F). For swimming, a surface water temperature of 15.6°C (60.1°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).

With an average of 15h and 18min of daylight, December has the longest days of the year.

In Old Beach, the average day length in December is 15h and 16min.

On the first day of December, sunrise is at 5:27 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:52 pm AEDT.

December has the most sunshine of the year, with an average of 9.2h of sunshine.

In Old Beach, the average sunshine duration in December is 9.2h.

December is the month with the highest UV index in Old Beach, with an average maximum UV index of 5.

In Old Beach, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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 snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Old Beach, Australia

  • Average high temperature in December: 18.5°C

The warmest month (with the highest average high temperature) is January (20.1°C).
The month with the lowest average high temperature is July (10.9°C).

  • Average low temperature in December: 9.6°C

The month with the highest average low temperature is January (11.1°C).
The coldest month (with the lowest average low temperature) is August (4.8°C).

Average pressure in December
Old Beach, Australia

  • Average pressure in December: 1010.7mbar

The month with the highest atmospheric pressure is June (1017.8mbar).
The month with the lowest atmospheric pressure is December (1010.7mbar).

Average wind speed in December
Old Beach, Australia

  • Average wind speed in December: 12.6km/h

The windiest month (with the highest average wind speed) is September (14.5km/h).
The calmest month (with the lowest average wind speed) is March (11.4km/h).

Average humidity in December
Old Beach, Australia

  • Average humidity in December: 73%

The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are January and December (73%).

Average rainfall in December
Old Beach, Australia

  • Average rainfall in December: 35mm

The wettest months (with the highest rainfall) are August and November (38mm).
The driest months (with the least rainfall) are January and October (23mm).

Average rainfall days in December
Old Beach, Australia

  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is June (11.4 days).

Average snowfall days in December
Old Beach, Australia

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).

Average sea temperature in December
Old Beach, Australia

  • Average sea temperature in December: 15.6°C

The best month for swimming (with the highest average sea temperature) is February (16.5°C).
The coldest month (with the lowest average sea temperature) is September (12.6°C).

Average daylight in December /
Average sunshine in December
Old Beach, Australia

  • Average daylight in December: 15h and 18min

The month with the longest days is December (Average daylight: 15h and 18min).
The month with the shortest days is June (Average daylight: 9h and 6min).

  • Average sunshine in December: 9h and 12min

The month with the most sunshine is December (Average sunshine: 9h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).

Average sunshine days in December
Old Beach, Australia

  • Average sunshine days in December: 11.9 days

The month with the most sunshine days is June (15.3 days).
The month with the least sunshine days is November (9.5 days).

Average UV index in December
Old Beach, Australia

  • Average UV index in December: 5

The month with the highest UV index is 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 December
Old Beach, Australia

  • Average cloud cover in December: 42

The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 39).

Average visibility in December
Old Beach, Australia

  • Average visibility in December: 9km

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