The weather in Marco Island in May is very hot. The average temperatures are between 23°C and 29°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Marco Island during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Marco Island in May 2025.
If you’re planning to visit Marco Island in the near future, we highly recommend that you review the 14 day weather forecast for Marco Island before you arrive.
Temperatures
29° / 23°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
117
mm
Sun Hours
11.7
Hrs
