June 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 June

As summer officially sets in with June, Myrtle Beach, South Carolina, experiences one of the warmest periods of the year. The month of June is typically hot, with average high temperatures soaring to 84.2°F (29°C) and the lows floating around 73°F (22.8°C). An estimated rainfall amount of 2.72" (69mm) is spread over about 18.7 days. The ushering in of July translates to the highest temperatures of the year in the city, along with a similar rainfall pattern. June also reveals long daylight hours of 14.4 hours on average, a high UV index of 7, and welcoming sea temperatures, providing ideal conditions for sun-soaking and water-based activities.

Temperature

The shift from May to June sees a slight increase in the average high-temperature, transitioning from a warm 77.5°F (25.3°C) to a still moderately hot 84.2°F (29°C). An average low-temperature of 73°F (22.8°C) marks the month of June.

Heat index

The heat index value during June is estimated at a tropical 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

May, June, August and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Myrtle Beach, in June, during 18.7 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. 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, South Carolina.

Ocean temperature

In Myrtle Beach, South Carolina, the average seawater temperature in June is 78.1°F (25.6°C).
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

With an average of 14h and 24min of daylight, June has the longest days of the year in Myrtle Beach.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:21 pm. On the last day of June, sunrise is at 6:08 am and sunset at 8:30 pm EDT.

Sunshine

The average sunshine in June in Myrtle Beach is 10.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In June, a daily maximum UV index of 7 leads to the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Watch out! Sand and water enhance the UV exposure you receive.
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Frequently asked questions

Is it hot in Myrtle Beach during June?

June temperatures in Myrtle Beach vary between a high-temperature of 84.2°F (29°C) and a low-temperature of 73°F (22.8°C). In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 93.2°F (34°C).

What is the most humid month in Myrtle Beach?

The months with the highest humidity in Myrtle Beach are May, June, August and December, with an average relative humidity of 78%.

What is the average humidity in June in Myrtle Beach?

In Myrtle Beach, South Carolina, the average relative humidity in June is 78%.

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

In June, in Myrtle Beach, the rain falls for 18.7 days. Throughout June, 2.72" (69mm) of precipitation is accumulated.

When it does not snow in Myrtle Beach?

March through November are months without snowfall in Myrtle Beach.

What is the ocean temperature in June in Myrtle Beach?

In Myrtle Beach, South Carolina, in June, the average water temperature is 78.1°F (25.6°C). 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.

When are the longest days in Myrtle Beach?

June has the longest days of the year, with an average of 14h and 24min of daylight.

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

In Myrtle Beach, South Carolina, the average day length in June is 14h and 22min.

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

On the first day of June, sunrise is at 6:05 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:30 pm EDT.

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

In June, the average sunshine duration in Myrtle Beach, South Carolina, is 10.8h.

What is the month with the highest UV index in Myrtle Beach?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Myrtle Beach, South Carolina.

What is the UV index reading in June in Myrtle Beach?

In June, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
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 June
Myrtle Beach, SC

Average temperature in June - Myrtle Beach, SC
  • Average high temperature in June: 84.2°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 June: 73°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 June
Myrtle Beach, SC

Average pressure in June - Myrtle Beach, SC
  • Average pressure in June: 29.97"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 June
Myrtle Beach, SC

Average wind speed in June - Myrtle Beach, SC
  • Average wind speed in June: 8.7mph

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 June
Myrtle Beach, SC

Average humidity in June - Myrtle Beach, SC
  • Average humidity in June: 78%

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 June
Myrtle Beach, SC

Average rainfall in June - Myrtle Beach, SC
  • Average rainfall in June: 2.72"

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 June
Myrtle Beach, SC

Average rainfall days in June - Myrtle Beach, SC
  • Average rainfall days in June: 18.7 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 June
Myrtle Beach, SC

Average snowfall in June - Myrtle Beach, SC
  • Average snowfall in June: 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 June
Myrtle Beach, SC

Average snowfall days in June - Myrtle Beach, SC
  • Average snowfall days in June: 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 June
Myrtle Beach, SC

Average sea temperature in June - Myrtle Beach, SC
  • Average sea temperature in June: 78.1°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 June /
Average sunshine in June
Myrtle Beach, SC

Average daylight in June / Average sunshine in June - Myrtle Beach, SC
  • Average daylight in June: 14h 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 June: 10h and 5min

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 June
Myrtle Beach, SC

Average sunshine days in June - Myrtle Beach, SC
  • Average sunshine days in June: 8.2 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 June
Myrtle Beach, SC

Average UV index in June - Myrtle Beach, SC
  • Average UV index in June: 7

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 June
Myrtle Beach, SC

Average cloud cover in June - Myrtle Beach, SC
  • Average cloud cover in June: 25

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 June
Myrtle Beach, SC

Average visibility in June - Myrtle Beach, SC
  • Average visibility in June: 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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