December weather forecast
Caringbah, Australia

December

Weather in December

December, the first month of the summer in Caringbah, is also a moderately hot month, with an average temperature fluctuating between 25.5°C (77.9°F) and 18.4°C (65.1°F).

Temperature

Caringbah indicates an average high-temperature of a still moderately hot 25.5°C (77.9°F) in December, showing minor variation from November's 23.8°C (74.8°F). In Caringbah, an average low-temperature of 18.4°C (65.1°F) is recorded during December nights.

Humidity

In Caringbah, the average relative humidity in December is 71%.

Rainfall

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

Sea temperature

In Caringbah, the average seawater temperature in December is 21.6°C (70.9°F).
Note: Most people do not enjoy swimming in water that is 21.6°C (70.9°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).

Daylight

With an average of 14h and 24min of daylight, December has the longest days of the year.
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 5:46 am and sunset at 8:10 pm AEDT.

Sunshine

The average sunshine in December is 9.7h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in December leads to these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.

Frequently asked questions

What is the usual temperature for Caringbah in December?
The average high-temperature, in December, in Caringbah, is 25.5°C (77.9°F), while the average low-temperature is 18.4°C (65.1°F).
What is the average humidity in December?
The average relative humidity in December is 71%.
How many days does it rain in December?
In Caringbah, in December, during 10.5 rainfall days, 23mm (0.91") of precipitation is typically accumulated.
What is the sea water temperature in December?
In Caringbah, in December, the average water temperature 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).
When are the longest days?
The month with the longest days is December, with an average of 14h and 24min of daylight.
How many hours of daylight does Caringbah have in December?
In Caringbah, the average day length in December is 14h and 23min.
What time are sunrise and sunset in December?
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 5:46 am and sunset at 8:10 pm AEDT.
How many hours of sunshine does Caringbah have in December?
The average sunshine duration in December is 9.7h.
When is the highest UV index?
The months with the highest UV index are January, February and December, with an average maximum UV index of 6.
How high is the UV index in December in Caringbah?
In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Caringbah, Australia
Average temperature in December
Caringbah, 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 - Caringbah, Australia
Average pressure in December
Caringbah, 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 - Caringbah, Australia
Average wind speed in December
Caringbah, 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 - Caringbah, Australia
Average humidity in December
Caringbah, 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 - Caringbah, Australia
Average rainfall in December
Caringbah, 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 - Caringbah, Australia
Average rainfall days in December
Caringbah, 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 - Caringbah, Australia
Average sea temperature in December
Caringbah, 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 - Caringbah, Australia
Average daylight in December /
Average sunshine in December
Caringbah, Australia
  • Average daylight in December: 14h and 2min

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 4min

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 - Caringbah, Australia
Average sunshine days in December
Caringbah, 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 - Caringbah, Australia
Average UV index in December
Caringbah, 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 - Caringbah, Australia
Average cloud cover in December
Caringbah, 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 - Caringbah, Australia
Average visibility in December
Caringbah, 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).

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