Can you swim at Stewart Beach in December? — 18.0°C water

Yes, but expect a fresh dip
Average sea · December
18.0°C
Live water now
Recommended wetsuit
3/2mm fullsuit
mild

It depends. Stewart Beach sits around 18.0°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 Stewart Beach live page for full conditions.

Best months to swim
April · May · June · July · August · September · October

Frequently asked questions

What is the average sea temperature at Stewart Beach in December?

Stewart Beach averages 18.0°C in December, based on long-run climatology for the Gulf of Mexico.

Is the sea warm enough to swim at Stewart Beach in December?

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

Do I need a wetsuit at Stewart Beach in December?

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