Can you swim at Aldinga Beach SA in December? — 19.0°C water
Yes, but expect a fresh dip
Average sea · December
19.0°C
Live water now
…
Recommended wetsuit
Shorty 2mm
mild
It depends. Aldinga Beach SA sits around 19.0°C in December; confident swimmers will be fine, casual bathers may prefer short sessions.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Aldinga Beach SA live page for full conditions.
Frequently asked questions
What is the average sea temperature at Aldinga Beach SA in December?
Aldinga Beach SA averages 19.0°C in December, based on long-run climatology for the Southern Ocean.
Is the sea warm enough to swim at Aldinga Beach SA in December?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Aldinga Beach SA in December?
A 2 mm shorty is comfortable for sessions over 30 minutes.