WeatherPost -- Marco Island, Fla. Historical Weather
| Highest Recorded Temperature |
| Year | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | |
| F | 98 | 88 | 89 | 91 | 92 | 94 | 96 | 98 | 97 | 98 | 95 | 92 | 88 |
| C | 36 | 31 | 31 | 32 | 33 | 34 | 35 | 36 | 36 | 36 | 35 | 33 | 31 |
| Years Charted: 15 | Source: International Station Meteorological Climate Summary, Version 4.0 |
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