October weather forecast
Marco Island, FL

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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 October

With October, there's a noticeable change as Marco Island begins its journey into the cooler season. October is distinguished by a shift in the rainfall pattern, which reduces significantly to 3.8" (97mm) distributed over 10 days. Gradually, the island veers away from its wet spell, making way for the drier months. October paints Marco Island in a different light as autumn tinges the leaves, and shorter daylight hours bring picturesque early evenings.

Temperature

Transitioning from September to October, Marco Island observes an average high-temperature of a still hot 86°F (30°C), differing subtly from the previous month. In October, the nighttime temperature in Marco Island lowers to an average of 69.8°F (21°C).

Rainfall

In Marco Island, in October, it is raining for 10 days, with typically 3.82" (97mm) of accumulated precipitation. Throughout the year, there are 111 rainfall days, and 51.57" (1310mm) of precipitation is accumulated.

Ocean temperature

In October, the average ocean temperature is 82.8°F (28.2°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

The average length of the day in October is 11h and 32min.
On the first day of the month, sunrise is at 7:19 am and sunset at 7:13 pm. On the last day of October, sunrise is at 7:35 am and sunset at 6:45 pm EDT.

Sunshine

In Marco Island, the average sunshine in October is 8h.

UV index

In October, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 8 in October translates into the following recommendations:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Caution! The mirror effect of sand and water ups the UV radiation strength.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in October?

The high-temperature in Marco Island during October is 86°F (30°C) and the low-temperature is 69.8°F (21°C).

How much does it rain in October?

In Marco Island, during October, the rain falls for 10 days and regularly aggregates up to 3.82" (97mm) of precipitation.

How warm is the water in October?

In Marco Island, in October, the average water temperature is 82.8°F (28.2°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in October?

The average day length in October is 11h and 32min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 7:19 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:45 pm EDT.

How long on average sun shines in October?

In Marco Island, the average sunshine duration in October is 8h.

What is the UV index reading in October?

In October, the average daily maximum UV index in Marco Island, Florida, is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in October
Marco Island, FL

Average temperature in October - Marco Island, FL
  • Average high temperature in October: 86°F

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

  • Average low temperature in October: 70°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).

Average rainfall in October
Marco Island, FL

Average rainfall in October - Marco Island, FL
  • Average rainfall in October: 3.8"

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

Average rainfall days in October
Marco Island, FL

Average rainfall days in October - Marco Island, FL
  • Average rainfall days in October: 10 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).

Average sea temperature in October
Marco Island, FL

Average sea temperature in October - Marco Island, FL
  • Average sea temperature in October: 82.7°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).

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

Average daylight in October / Average sunshine in October - Marco Island, FL
  • Average daylight in October: 11h and 3min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in October: 8h

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

Average UV index in October
Marco Island, FL

Average UV index in October - Marco Island, FL
  • Average UV index in October: 8

The 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).

Marco Island, Florida, USA

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