December weather forecastMain Beach, Australia
December
Weather in December
The perfect water temperature of 25.6°C (78.1°F) makes December a great period for swimming and other water activities in Main Beach, Australia.Sea temperature
In December, the average sea temperature is 25.6°C (78.1°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
December has the longest days of the year, with an average of 13h and 54min of daylight.On the first day of the month, sunrise is at 4:41 am and sunset at 6:28 pm. On the last day of December, sunrise is at 4:52 am and sunset at 6:45 pm AEST.
Updated: Jan 27, 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 Main Beach, Australia, in December, the average water temperature is 25.6°C (78.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
With an average of 13h and 54min of daylight, December has the longest days of the year in Main Beach, Australia.
In December, the average day length in Main Beach, Australia, is 13h and 53min.
In December, on the first day of the month, sunrise is at 4:41 am and sunset at 6:28 pm. On the last day of the month, in Main Beach, sunrise is at 4:52 am and sunset at 6:45 pm AEST.
Average sea temperature in December
Main Beach, Australia
- Average sea temperature in December: 25.6°C
The best month for swimming (with the highest average sea temperature) is February (27.3°C).
The coldest months (with the lowest average sea temperature) are July and August (21.7°C).
Average daylight in December
Main Beach, Australia
- Average daylight in December: 13h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).





