July weather forecast and climate
Marco Island, FL

Sunset over the beach in Marco Island Beach, Florida, along the Gulf of Mexico
Sunset over the beach in Marco Island Beach, Florida, along the Gulf of Mexico

Weather in July

July, the same as June, in Marco Island, Florida, is another tropical summer month, with average temperature fluctuating between 89.6°F (32°C) and 73.4°F (23°C).

Temperature

July through September, with an average high-temperature of 89.6°F (32°C), are the warmest months.

Rainfall

In Marco Island, in July, during 14 rainfall days, 7.83" (199mm) of precipitation is typically accumulated. In Marco Island, during the entire year, the rain falls for 111 days and collects up to 51.57" (1310mm) of precipitation.

Ocean temperature

In Marco Island, the average water temperature is 85.6°F (29.8°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in July is 13.6h.

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 of 11, and more, symbolizes an extreme threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 11 transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What are the warmest months in Marco Island?

July through September, with an average high-temperature of 89.6°F (32°C), are warmest months.

How much does it rain in Marco Island in July?

In Marco Island, Florida, during July, the rain falls for 14 days and regularly aggregates up to 7.83" (199mm) of precipitation.

How warm is the water in July in Marco Island?

In Marco Island, the average seawater temperature in July is 85.6°F (29.8°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Marco Island have in July?

In July, the average length of the day in Marco Island, Florida, is 13.6h.

What are the months with the most sunshine in Marco Island?

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

How many hours of sunshine does Marco Island have in July?

In Marco Island, Florida, the average sunshine in July is 10h.

What are the months with the highest UV index in Marco Island?

Months with the highest UV index in Marco Island are April through August, with an average maximum UV index of 11.

How high is the UV index in July in Marco Island?

In Marco Island, Florida, the average daily maximum UV index in July is 11. A UV Index estimate of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.

Average temperature in July
Marco Island, FL

Average temperature in July - Marco Island, FL
  • Average high temperature in July: 90°F

The warmest months (with the highest average high temperature) are July, August and September (90°F).
Months with the lowest average high temperature are January, February and December (75°F).

  • Average low temperature in July: 73°F

The month with the highest average low temperature is August (75°F).
The coldest months (with the lowest average low temperature) are January and February (55°F).

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Average rainfall in July
Marco Island, FL

Average rainfall in July - Marco Island, FL
  • Average rainfall in July: 7.8"

The wettest month (with the highest rainfall) is June (9.2").
The driest months (with the least rainfall) are November and December (1.5").

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Average rainfall days in July
Marco Island, FL

Average rainfall days in July - Marco Island, FL
  • Average rainfall days in July: 14 days

The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is April (4 days).

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Average sea temperature in July
Marco Island, FL

Average sea temperature in July - Marco Island, FL
  • Average sea temperature in July: 85.6°F

The best month for swimming (with the highest average sea temperature) is August (87.3°F).
The coldest months (with the lowest average sea temperature) are January and February (67.2°F).

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Average daylight in July /
Average sunshine in July
Marco Island, FL

Average daylight in July / Average sunshine in July - Marco Island, FL
  • Average daylight in July: 13.6h

The month with the longest days is June (Average daylight: 13.7h).
The month with the shortest days is December (Average daylight: 10.5h).

  • Average sunshine in July: 10h

Months with the most sunshine are April, May, June and July (Average sunshine: 10h).
Months with the least sunshine are January, November and December (Average sunshine: 7).

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Average UV index in July
Marco Island, FL

Average UV index in July - Marco Island, FL
  • Average UV index in July: 11

Months with the highest UV index are April, May, June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 5).

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