December
Weather in December
Sea temperature
In December, the average sea temperature in Black Rock, Australia, is 17.6°C (63.7°F).Note: Most people do not find swimming enjoyable in water of 17.6°C (63.7°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 14h and 42min of daylight, December has the longest days of the year in Black Rock.On the first day of December in Black Rock, Australia, sunrise is at 5:51 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:45 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
What is the sea water temperature in December in Black Rock?
In Black Rock, the average seawater temperature in December is 17.6°C (63.7°F). Swimming in 17.6°C (63.7°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 in Black Rock?
December has the longest days of the year in Black Rock, with an average of 14h and 42min of daylight.
How many hours of daylight does Black Rock have in December?
In Black Rock, the average day length in December is 14h and 45min.
When is the sunrise / sunset in December in Black Rock?
On the first day of December, sunrise is at 5:51 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:45 pm AEDT.
Average sea temperature in December
Black Rock, Australia
- Average sea temperature in December: 17.6°C
The best month for swimming (with the highest average sea temperature) is February (18.9°C).
The coldest months (with the lowest average sea temperature) are August and September (14.8°C).
Average daylight in December
Black Rock, Australia
- Average daylight in December: 14h and 4min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
