Can you swim at Mathesons Bay 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. Mathesons Bay 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 Mathesons Bay live page for full conditions.

Frequently asked questions

What is the average sea temperature at Mathesons Bay in December?

Mathesons Bay averages 19.0°C in December, based on long-run climatology for the Tasman Sea.

Is the sea warm enough to swim at Mathesons Bay in December?

It is swimmable but fresh; confident swimmers will be fine without a wetsuit.

Do I need a wetsuit at Mathesons Bay in December?

A 2 mm shorty is comfortable for sessions over 30 minutes.