Florida, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Gandy, FL

The perfect water temperature of 78.1°F (25.6°C) makes May a great period for swimming and other water activities in Gandy, Florida.

Ocean temperature

In Gandy, the average water temperature is 78.1°F (25.6°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.


In May, the average length of the day in Gandy is 13.5h.

How warm is the water in May in Gandy?

In Gandy, the average seawater temperature in May is 78.1°F (25.6°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Gandy have in May?

In Gandy, Florida, the average length of the day in May is 13.5h.
Average sea temperature in May - Gandy, FL
  • Average sea temperature in May: 78.2°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

Average daylight in May - Gandy, FL
  • Average daylight in May: 13.5h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).