October weather forecast
Myrtle Island, FL

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Weather in October

October, like September, in Myrtle Island, Florida, is a moderately hot autumn month, with an average temperature ranging between max 82.9°F (28.3°C) and min 66°F (18.9°C).

Temperature

The arrival of October signals a subtle shift in temperature, down from a tropical 88.7°F (31.5°C) in September to a moderately hot 82.9°F (28.3°C). October nights are marked by an average temperature drop to a refreshing 66°F (18.9°C).

Heat index

In October, the average heat index is calculated to be a tropical 89.6°F (32°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in October in Myrtle Island is 75%.

Rainfall

In Myrtle Island, during October, the rain falls for 11.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Myrtle Island, there are 151.1 rainfall days, and 17.99" (457mm) of precipitation is accumulated.

Daylight

The average length of the day in October is 11h and 26min.
On the first day of the month, sunrise is at 7:19 am and sunset at 7:10 pm. On the last day of October, sunrise is at 7:38 am and sunset at 6:39 pm EDT.

Sunshine

In Myrtle Island, the average sunshine in October is 6.7h.

UV index

In Myrtle Island, the average daily maximum UV index in October is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In October, the average maximum UV index of 6 translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

How hot is October in Myrtle Island?

The high-temperature in Myrtle Island during October is 82.9°F (28.3°C) and the low-temperature is 66°F (18.9°C). In October, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in October in Myrtle Island?

In Myrtle Island, Florida, the average relative humidity in October is 75%.

How many days does it rain in October in Myrtle Island?

In Myrtle Island, in October, it is raining for 11.5 days, with typically 1.14" (29mm) of accumulated precipitation.

What is the average length of the day in October in Myrtle Island?

In October, the average day length in Myrtle Island is 11h and 26min.

When is the sunrise / sunset in October in Myrtle Island?

On the first day of October, sunrise is at 7:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:39 pm EDT.

How long on average sun shines in October in Myrtle Island?

In October, the average sunshine duration is 6.7h.

How high is the UV index in October in Myrtle Island?

The average daily maximum UV index in October in Myrtle Island is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Myrtle Island, FL

Average temperature in October - Myrtle Island, FL
  • Average high temperature in October: 82.9°F

The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (66.4°F).

  • Average low temperature in October: 66°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

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Average pressure in October
Myrtle Island, FL

Average pressure in October - Myrtle Island, FL
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed in October
Myrtle Island, FL

Average wind speed in October - Myrtle Island, FL
  • Average wind speed in October: 5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

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Average humidity in October
Myrtle Island, FL

Average humidity in October - Myrtle Island, FL
  • Average humidity in October: 75%

The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in October
Myrtle Island, FL

Average rainfall in October - Myrtle Island, FL
  • Average rainfall in October: 1.14"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in October
Myrtle Island, FL

Average rainfall days in October - Myrtle Island, FL
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (8 days).

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

Average daylight in October / Average sunshine in October - Myrtle Island, FL
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in October
Myrtle Island, FL

Average sunshine days in October - Myrtle Island, FL
  • Average sunshine days in October: 17.1 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (8.6 days).

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Average UV index in October
Myrtle Island, FL

Average UV index in October - Myrtle Island, FL
  • Average UV index in October: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in October
Myrtle Island, FL

Average cloud cover in October - Myrtle Island, FL
  • Average cloud cover in October: 34

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 32).

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Average visibility in October
Myrtle Island, FL

Average visibility in October - Myrtle Island, FL
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).

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Myrtle Island, Florida, USA

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