Gymea Bay
Australia
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Gymea Bay, Australia

Sea temperature

In Diciembre, the average sea temperature in Gymea Bay, Australia, is 21.6°C (70.9°F).
Note: Swimming in 21.6°C (70.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

With an average of 14.4h of daylight, Diciembre has the longest days of the year in Gymea Bay.

What is the sea water temperature in Diciembre in Gymea Bay?

In Gymea Bay, in Diciembre, the average water temperature is 21.6°C (70.9°F). Swimming in 21.6°C (70.9°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 Gymea Bay?

Diciembre has the longest days of the year in Gymea Bay, with an average of 14.4h of daylight.

What is the average length of the day in Diciembre in Gymea Bay?

In Gymea Bay, the average length of the day in Diciembre is 14.4h.
Average sea temperature in December - Gymea Bay, Australia
  • Average sea temperature in December: 21.6°C

The best month for swimming (with the highest average sea temperature) is February (23.8°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).

Average daylight in December - Gymea Bay, Australia
  • Average daylight in December: 14.4h

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).