December weather forecastGrays Point, Australia

December

Weather in December

The first month of the summer, December, is still a warm month in Grays Point, Australia, with an average temperature varying between 25.5°C (77.9°F) and 18.4°C (65.1°F).

Temperature

As Grays Point welcomes December, the average high-temperature stabilizes at a still moderately hot 25.5°C (77.9°F), showing little deviation from November's 23.8°C (74.8°F). Throughout the month of December, Grays Point expects an average low of 18.4°C (65.1°F).

Humidity

The average relative humidity in December is 71%.

Rainfall

In Grays Point, during December, the rain falls for 10.5 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 139.8 rainfall days, and 348mm (13.7") of precipitation is accumulated.

Sea temperature

In Grays Point, the average seawater temperature in December is 21.6°C (70.9°F).
Note: For most people, a water temperature of 21.6°C (70.9°F) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 21°C (69.8°F).

Daylight

The month with the longest days is December, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 5:37 am and sunset at 7:52 pm. On the last day of December, sunrise is at 5:47 am and sunset at 8:10 pm AEDT.

Sunshine

The average sunshine in December is 9.7h.

UV index

The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 6 in December leads to these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! Reflections of sand and water make the Sun's UV rays stronger.

Frequently asked questions

In December, in Grays Point, the average high-temperature is 25.5°C (77.9°F), and the average low-temperature is 18.4°C (65.1°F).

The average relative humidity in December is 71%.

In Grays Point, during December, the rain falls for 10.5 days and regularly aggregates up to 23mm (0.91") of precipitation.

In Grays Point, the average seawater temperature in December is 21.6°C (70.9°F). Swimming in 21.6°C (70.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

December has the longest days of the year, with an average of 14h and 24min of daylight.

In Grays Point, the average day length in December is 14h and 23min.

On the first day of December, sunrise is at 5:37 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:10 pm AEDT.

In December, the average sunshine duration is 9.7h.

The months with the highest UV index are January, February and December, with an average maximum UV index of 6.

In Grays Point, Australia, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grays Point, Australia

  • Average high temperature in December: 25.5°C

The warmest month (with the highest average high temperature) is January (26.9°C).
The month with the lowest average high temperature is July (16.6°C).

  • Average low temperature in December: 18.4°C

The months with the highest average low temperature are January and February (20.1°C).
The coldest month (with the lowest average low temperature) is July (10.1°C).

Average pressure in December
Grays Point, Australia

  • Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in December
Grays Point, Australia

  • Average wind speed in December: 15.4km/h

The windiest month (with the highest average wind speed) is August (15.8km/h).
The calmest month (with the lowest average wind speed) is April (13.5km/h).

Average humidity in December
Grays Point, Australia

  • Average humidity in December: 71%

The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is August (65%).

Average rainfall in December
Grays Point, Australia

  • Average rainfall in December: 23mm

The wettest month (with the highest rainfall) is March (43mm).
The driest month (with the least rainfall) is September (17mm).

Average rainfall days in December
Grays Point, Australia

  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (9.2 days).

Average sea temperature in December
Grays Point, Australia

  • Average sea temperature in December: 21.6°C

The best month for swimming (with the highest average sea temperature) is February (23.8°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).

Average daylight in December /
Average sunshine in December
Grays Point, Australia

  • Average daylight in December: 14h and 24min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 9h and 42min

The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in December
Grays Point, Australia

  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is July (17.6 days).
The month with the least sunshine days is February (11.8 days).

Average UV index in December
Grays Point, Australia

  • Average UV index in December: 6

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).

Average cloud cover in December
Grays Point, Australia

  • Average cloud cover in December: 37

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
Grays Point, 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).