Weather in Marco Island, Florida for May 2026
Until now, May 2026 in Marco Island has been nearly identical to the historical average, with a temperature of 28.3 °F (showing only a slight deviation of -0.5 °F).
The forecast for the next days in Marco Island predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Marco Island at the beginning of May is 27.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 30 °F by the end of May.
The climate of Marco Island in May is notably wet, with an average of 11 rainy days, and a total of 197.3 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Marco Island Weather May
Temperatures trend during May in Marco Island
May weather in Marco Island day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 28° /20° | 0 mm | 9 | |
| May 2 | Overcast | 29° /20° | 0.4 mm | 10 | |
| May 3 |  Patchy rain possible | 27° /21° | 17 mm | 5 | |
| May 4 |  Heavy rain at times | 27° /21° | 3.4 mm | 6 | |
| May 5 | Overcast | 28° /21° | 0.2 mm | 9 | |
| May 6 | Heavy rain at times | 28° /22° | 1.5 mm | 9 | |
| May 7 |  Moderate rain at times | 28° /22° | 0.8 mm | 9 | |
| May 8 | Patchy rain possible | 31° /22° | 0.1 mm | 10 | |
| May 9 | Overcast | 30° /23° | 0 mm | 10 | |
| May 10 | Moderate or heavy rain shower | 30° /23° | 3.1 mm | 10 | |
| May 11 | Moderate or heavy rain shower | 30° /24° | 5.3 mm | 9 | |
| May 12 | Moderate or heavy rain shower | 29° /23° | 29.2 mm | 7 | |
| May 13 |  Moderate rain | 30° /24° | 5 mm | 10.4 | |
| May 14 | Patchy rain possible | 27° /24° | 0.2 mm | 10.1 | |
| May 15 |  Sunny | 27° /23° | 0 mm | 0.5 | |
| May 16 | Patchy rain possible | 29° /23° | 2.8 mm | 6 | |
| May 17 | Patchy rain possible | 29° /25° | 4.4 mm | 6 | |
| May 18 | Patchy rain possible | 29° /24° | 1.3 mm | 6 | |
| May 19 | Patchy rain possible | 30° /25° | 1.6 mm | 6 | |
| May 20 | Patchy rain possible | 29° /25° | 0.2 mm | 6 | |
| May 21 | Sunny | 28° /26° | 0 mm | 7 | |
| May 22 | Sunny | 29° /26° | 0.1 mm | 7 | |
| May 23 | Patchy rain possible | 29° /26° | 0.2 mm | 6 | |
| May 24 | Patchy rain possible | 29° /27° | 0.4 mm | 6 | |
| May 25 | Sunny | 31° /26° | 0 mm | 7 | |
| May 26 | Sunny | 31° /25° | 0 mm | 7 | |
| May 27 |  Cloudy | 31° /26° | 0 mm | 7 | |
| May 28 |  Moderate or heavy rain with thunder | 30° /26° | 105.4 mm | 7 | |
| May 29 | Overcast | 30° /28° | 0 mm | 7 | |
| May 30 | Overcast | 29° /27° | 0 mm | 6 | |
| May 31 | Light rain shower | 28° /26° | 3.6 mm | 6 | |
| Next | |||||
Marco Island in May - FAQ
What are the expected maximum and minimum temperatures in Marco Island during May?
How much rainfall should be expected in Marco Island during May?
What are the typical wind conditions in Marco Island during May?
May rainfall patterns in Marco Island
UV exposure in Marco Island during May
Quick links
Where is Marco Island?Get accurate weather forecasts for Marco Island, located at latitude 25.941 and longitude -81.718. Stay updated with localized weather information tailored for Marco Island.