Yes. Sand Key averages 30.0°C in July — bath-warm by European standards and comfortable for all-day swimming, snorkelling and families.
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 Sand 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 Sand Key in July?
Sand Key averages 30.0°C in July, based on long-run climatology for the Gulf of Mexico.
Is the sea warm enough to swim at Sand Key in July?
Yes, most swimmers find 30.0°C comfortable for unrestricted swimming.
