December weather forecastVictor Harbor, Australia
December
Weather in December
Sea temperature
In Victor Harbor, Australia, in December, the average water temperature is 18.3°C (64.9°F).Note: A surface water temperature of 18.3°C (64.9°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
December has the longest days of the year, with an average of 14h and 30min of daylight.On the first day of the month, sunrise is at 5:53 am and sunset at 8:15 pm. On the last day of December, sunrise is at 6:02 am and sunset at 8:34 pm ACDT.
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 Victor Harbor, Australia, the average seawater temperature in December is 18.3°C (64.9°F). For most, swimming in 18.3°C (64.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
December has the longest days of the year in Victor Harbor, Australia, with an average of 14h and 30min of daylight.
In December, the average day length is 14h and 31min.
In December, on the first day of the month, sunrise is at 5:53 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:34 pm ACDT.
Average sea temperature in December
Victor Harbor, Australia
- Average sea temperature in December: 18.3°C
The best month for swimming (with the highest average sea temperature) is January (19.6°C).
The coldest month (with the lowest average sea temperature) is August (14°C).
Average daylight in December
Victor Harbor, Australia
- Average daylight in December: 14h and 30min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).





