Can you swim at Dauphin Island 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. Dauphin Island 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 Dauphin Island live page for full conditions.
Best months to swim
May · June · July · August · September · October · November
Frequently asked questions
What is the average sea temperature at Dauphin Island in December?
Dauphin Island averages 19.0°C in December, based on long-run climatology for the Gulf of Mexico.
Is the sea warm enough to swim at Dauphin Island in December?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Dauphin Island in December?
A 2 mm shorty is comfortable for sessions over 30 minutes.
