December weather forecastEttalong, Australia
December
Weather in December
Sea temperature
In Ettalong, Australia, the average seawater temperature in December is 21.9°C (71.4°F).Note: Swimming is not a pleasurable activity for the majority in water at 21.9°C (71.4°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the longest days of the year in Ettalong, Australia, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 5:37 am and sunset at 7:49 pm. On the last day of December, in Ettalong, Australia, sunrise is at 5:47 am and sunset at 8:07 pm AEDT.
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Ettalong, in December, the average water temperature is 21.9°C (71.4°F). For swimming, a surface water temperature of 21.9°C (71.4°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).
December has the longest days of the year, with an average of 14h and 18min of daylight.
The average day length in December is 14h and 20min.
On the first day of December in Ettalong, Australia, sunrise is at 5:37 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:07 pm AEDT.
Average sea temperature in December
Ettalong, Australia
- Average sea temperature in December: 21.9°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).
Average daylight in December
Ettalong, Australia
- Average daylight in December: 14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).





