Can you swim at Treasure Island in January? — 19.0°C water
Yes, but expect a fresh dip
Average sea · January
19.0°C
Live water now
…
Recommended wetsuit
Shorty 2mm
mild
It depends. Treasure Island sits around 19.0°C in January; 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 Treasure Island live page for full conditions.
Best months to swim
April · May · June · July · August · September · October · November
Frequently asked questions
What is the average sea temperature at Treasure Island in January?
Treasure Island averages 19.0°C in January, based on long-run climatology for the Gulf of Mexico.
Is the sea warm enough to swim at Treasure Island in January?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Treasure Island in January?
A 2 mm shorty is comfortable for sessions over 30 minutes.
