Marco Island, FL
Climate overview — based on NOAA 1991-2020 normals from MARCO IS, FL US.
Year-round temperatures (°F)
Climate summary
Marco Island has an annual average temperature of 75.3°F with about 53.3 inches of precipitation per year. The warmest month is August (average high 91.5°F), and the coldest is January (average low 54.9°F). September is typically the wettest month (9.92 in) and December the driest (1.71 in).
Best time to visit Marco Island
Full guide →Climate change signal
All-time records →256 of 366 (69.9%) of Marco Island's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 2000s | 8 | |
| 2010s | 260 | |
| 2020s | 98 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 73.9°F | 54.9°F | 64.4°F | 2.50 in | — | 5 |
| February | 76.2°F | 57.1°F | 66.7°F | 1.91 in | — | 5 |
| March | 78.9°F | 59.9°F | 69.4°F | 2.05 in | — | 4 |
| April | 83.2°F | 64.9°F | 74.1°F | 2.48 in | — | 5 |
| May | 87.5°F | 69.7°F | 78.6°F | 3.38 in | — | 9 |
| June | 90.1°F | 74.2°F | 82.2°F | 8.36 in | — | 16 |
| July | 91.1°F | 75.8°F | 83.5°F | 6.60 in | — | 16 |
| August | 91.5°F | 76.2°F | 83.8°F | 9.16 in | — | 19 |
| September | 90.0°F | 75.2°F | 82.6°F | 9.92 in | — | 18 |
| October | 86.9°F | 70.7°F | 78.8°F | 3.21 in | — | 9 |
| November | 80.5°F | 63.4°F | 72.0°F | 2.02 in | — | 5 |
| December | 76.8°F | 58.6°F | 67.7°F | 1.71 in | — | 5 |
Climate twins of Marco Island
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).