Can you swim in Australia in December?

Yes — perfect swimming weather

Average sea

22°C

Feels

warm

Month

December

The short answer

The sea around Australia averages 22°C in December. That is warm enough for relaxed all-day swimming without a wetsuit. Families, snorkellers and casual bathers will find conditions comfortable on most beaches.

Live conditions matter most

Monthly averages set expectations, but a specific beach today depends on wind, waves and local currents. Use the live map or any beach page to see right-now temperatures.

Top swimming beaches in Australia