Can you swim at Manasota Key in December? — 20.0°C water
Yes — comfortable for most swimmers
Average sea · December
20.0°C
Live water now
…
Recommended wetsuit
Shorty 2mm
warm
Yes. With a 20.0°C average in December, most swimmers find Manasota Key comfortable after the first 10–20 seconds of acclimatisation.
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 Manasota Key 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 Manasota Key in December?
Manasota Key averages 20.0°C in December, based on long-run climatology for the Gulf of Mexico.
Is the sea warm enough to swim at Manasota Key in December?
Yes, most swimmers find 20.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Manasota Key in December?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.
