October weather forecast
Myrtle Beach, SC

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The glorious Myrtle Beach in South Carolina, with lit city buildings
The glorious Myrtle Beach in South Carolina, with lit city buildings

Weather in October

As Myrtle Beach, South Carolina, ushers in October, there’s a tangible shift to fall weather, with temperatures dropping and rainfall decreasing. Average high temperatures settle at around 73.6°F (23.1°C) and average lows at about 61.7°F (16.5°C). The amount of rainfall further declines to approximately 1.97" (50mm) anticipated across nearly 10 days. The progression into November sustains the decrease in the city’s temperature and precipitation levels. The milder weather conditions, coupled with the pleasant sea temperatures, offer a beautiful backdrop for outdoor adventures and excursions.

Temperature

October in Myrtle Beach sees a slight reduction in average high-temperature, with a shift from 81.7°F (27.6°C) in September to a still moderately hot 73.6°F (23.1°C). The nighttime temperature dips to a comfortable 61.7°F (16.5°C) on average during October.

Humidity

In October, the average relative humidity is 75%.

Rainfall

In Myrtle Beach, South Carolina, during October, the rain falls for 10 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Myrtle Beach, during the entire year, the rain falls for 166.5 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

March through November are months without snowfall in Myrtle Beach.

Ocean temperature

In Myrtle Beach, the average seawater temperature in October is 76.3°F (24.6°C).
Note: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 76.3°F (24.6°C) waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In Myrtle Beach, the average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:59 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:23 pm EDT.

Sunshine

In Myrtle Beach, the average sunshine in October is 6.4h.

UV index

In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 5 during October, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Attention! UV radiation is markedly stronger with water and sand reflections.
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Frequently asked questions

What are October temperatures in Myrtle Beach?

Myrtle Beach in October has an average high-temperature of 73.6°F (23.1°C) and an average low-temperature of 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in October in Myrtle Beach?

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

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

In Myrtle Beach, in October, it is raining for 10 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Myrtle Beach?

In Myrtle Beach, snow does not fall in March through November.

What is the water temperature in October in Myrtle Beach?

In Myrtle Beach, South Carolina, in October, the average water temperature is 76.3°F (24.6°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.3°F (24.6°C) water.

How many hours of daylight does Myrtle Beach have in October?

In Myrtle Beach, South Carolina, the average day length in October is 11h and 20min.

What time are sunrise and sunset in October in Myrtle Beach?

In October, on the first day of the month, sunrise is at 7:10 am and sunset at 6:59 pm. On the last day of the month, in Myrtle Beach, South Carolina, sunrise is at 7:34 am and sunset at 6:23 pm EDT.

How many hours of sunshine does Myrtle Beach have in October?

In Myrtle Beach, South Carolina, the average sunshine duration in October is 6.4h.

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

The average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Myrtle Beach, SC

Average temperature in October - Myrtle Beach, SC
  • Average high temperature in October: 73.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in October: 61.7°F

The month with the highest average low temperature is July (76.3°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).

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Average pressure in October
Myrtle Beach, SC

Average pressure in October - Myrtle Beach, SC
  • Average pressure in October: 30.03"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in October
Myrtle Beach, SC

Average wind speed in October - Myrtle Beach, SC
  • Average wind speed in October: 9.4mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).

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Average humidity in October
Myrtle Beach, SC

Average humidity in October - Myrtle Beach, SC
  • Average humidity in October: 75%

The months with the highest relative humidity are May, June, August and December (78%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in October
Myrtle Beach, SC

Average rainfall in October - Myrtle Beach, SC
  • Average rainfall in October: 1.97"

The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in October
Myrtle Beach, SC

Average rainfall days in October - Myrtle Beach, SC
  • Average rainfall days in October: 10 days

The months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in October
Myrtle Beach, SC

Average snowfall in October - Myrtle Beach, SC
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in October
Myrtle Beach, SC

Average snowfall days in October - Myrtle Beach, SC
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in October
Myrtle Beach, SC

Average sea temperature in October - Myrtle Beach, SC
  • Average sea temperature in October: 76.3°F

The best month for swimming (with the highest average sea temperature) is August (82.9°F).
The coldest month (with the lowest average sea temperature) is March (57.7°F).

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Average daylight in October /
Average sunshine in October
Myrtle Beach, SC

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in October
Myrtle Beach, SC

Average sunshine days in October - Myrtle Beach, SC
  • Average sunshine days in October: 19.1 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (8.2 days).

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Average UV index in October
Myrtle Beach, SC

Average UV index in October - Myrtle Beach, SC
  • Average UV index in October: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in October
Myrtle Beach, SC

Average cloud cover in October - Myrtle Beach, SC
  • Average cloud cover in October: 27

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in October
Myrtle Beach, SC

Average visibility in October - Myrtle Beach, SC
  • Average visibility in October: 6mi

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

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Myrtle Beach, South Carolina, USA

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