July weather forecast
Marco Island, FL

July brings the height of summer in Marco Island, characterized by heavy rainfall and hot weather. Neither the temperature nor the rainfall show significant change from June, persisting with 7.8" (198mm) of rain spread over 14 days. Despite the heavy downpours, July is still considered a popular time for vacations, with visitors enjoying Marco Island's renowned indoor activities. Nonetheless, the high UV index makes sun safety measures an indispensable part of one's daily routine.

Temperature

During July through September, Marco Island registers its highest temperatures, averaging a high of 89.6°F (32°C).

Rainfall

In Marco Island, in July, it is raining for 14 days, with typically 7.83" (199mm) of accumulated precipitation. Throughout the year, in Marco Island, there are 111 rainfall days, and 51.57" (1310mm) of precipitation is accumulated.

Ocean temperature

In July, the average ocean temperature is 85.6°F (29.8°C).
Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.

Daylight

In Marco Island, the average length of the day in July is 13h and 35min.
On the first day of July in Marco Island, Florida, sunrise is at 6:38 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:13 pm EDT.

Sunshine

April through July, with an average of 10h of sunshine, are months with the most sunshine in Marco Island.

UV index

April through August, with an average maximum UV index of 11, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 11 during July leads to these instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim. Watch out! Reflections from sand and water can surge UV radiation exposure.