Port Denison
Australia
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Port Denison, Australia

Sea temperature

In Port Denison, Australia, in Diciembre, the average water temperature is 21.7°C (71.1°F).
Note: For most, swimming in 21.7°C (71.1°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).

Daylight

The month with the longest days in Port Denison is Diciembre, with an average of 14h of daylight.

What is the sea water temperature in Diciembre in Port Denison?

In Diciembre, the average sea temperature in Port Denison is 21.7°C (71.1°F). For swimming, a surface water temperature of 21.7°C (71.1°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).

When are the longest days in Port Denison?

Diciembre has the longest days of the year, with an average of 14h of daylight.

How many hours of daylight does Port Denison have in Diciembre?

In Port Denison, Australia, the average length of the day in Diciembre is 14h.
Average sea temperature in December - Port Denison, Australia
  • Average sea temperature in December: 21.7°C

The best month for swimming (with the highest average sea temperature) is March (24.3°C).
The coldest month (with the lowest average sea temperature) is October (19.7°C).

Average daylight in December - Port Denison, Australia
  • Average daylight in December: 14h

The month with the longest days is December (Average daylight: 14h).
The month with shortest days is June (Average daylight: 10.3h).