June weather forecast
Seabrook Island, SC

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Weather in June

The first month of the summer, June, is a hot month in Seabrook Island, South Carolina, with an average temperature fluctuating between 73.4°F (23°C) and 87.4°F (30.8°C).

Temperature

With the beginning of June, Seabrook Island's average high-temperature sees a minor increase, transitioning from a warm 81.1°F (27.3°C) in May to a hot 87.4°F (30.8°C). During the month of June, the temperature generally drops to a low average of 73.4°F (23°C).

Heat index

In June, the heat index is calculated to be a sweltering 102.2°F (39°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In Seabrook Island, the average relative humidity in June is 75%.

Rainfall

In Seabrook Island, in June, during 13.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 118.7 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

In Seabrook Island, snow does not fall in February through November.

Daylight

With an average of 14h and 18min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 6:13 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:32 pm EDT.

Sunshine

In Seabrook Island, South Carolina, the average sunshine in June is 10.9h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Seabrook Island. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 7 during June morphs into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

How hot does it get in Seabrook Island in June?

The high-temperature, in June, in Seabrook Island, records 87.4°F (30.8°C), while the low-temperature is 73.4°F (23°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in June is calculated to be 102.2°F (39°C).

What is the average humidity in June in Seabrook Island?

The average relative humidity in June in Seabrook Island, South Carolina, is 75%.

How many days does it rain in June in Seabrook Island?

In June, in Seabrook Island, the rain falls for 13.4 days. Throughout June, 1.22" (31mm) of precipitation is accumulated.

When it does not snow in Seabrook Island?

In Seabrook Island, snow does not fall in February through November.

When are the longest days in Seabrook Island?

With an average of 14h and 18min of daylight, June has the longest days of the year in Seabrook Island.

How many hours of daylight does Seabrook Island have in June?

In June, the average day length in Seabrook Island, South Carolina, is 14h and 16min.

When is the sunrise / sunset in June in Seabrook Island?

In June, on the first day of the month, sunrise is at 6:13 am and sunset at 8:23 pm. On the last day of the month, in Seabrook Island, South Carolina, sunrise is at 6:16 am and sunset at 8:32 pm EDT.

How many hours of sunshine does Seabrook Island have in June?

The average sunshine duration in June is 10.9h.

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

May through August, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in June in Seabrook Island?

In Seabrook Island, South Carolina, the average daily maximum UV index in June is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Seabrook Island, SC

Average temperature in June - Seabrook Island, SC
  • Average high temperature in June: 87.4°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (57.2°F).

  • Average low temperature in June: 73.4°F

The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

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Average pressure in June
Seabrook Island, SC

Average pressure in June - Seabrook Island, SC
  • Average pressure in June: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in June
Seabrook Island, SC

Average wind speed in June - Seabrook Island, SC
  • Average wind speed in June: 6.8mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in June
Seabrook Island, SC

Average humidity in June - Seabrook Island, SC
  • Average humidity in June: 75%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).

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Average rainfall in June
Seabrook Island, SC

Average rainfall in June - Seabrook Island, SC
  • Average rainfall in June: 1.22"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in June
Seabrook Island, SC

Average rainfall days in June - Seabrook Island, SC
  • Average rainfall days in June: 13.4 days

The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).

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Average snowfall days in June
Seabrook Island, SC

Average snowfall days in June - Seabrook Island, SC
  • Average snowfall days in June: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in June /
Average sunshine in June
Seabrook Island, SC

Average daylight in June / Average sunshine in June - Seabrook Island, SC
  • Average daylight in June: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in June: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in June
Seabrook Island, SC

Average sunshine days in June - Seabrook Island, SC
  • Average sunshine days in June: 12 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).

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Average UV index in June
Seabrook Island, SC

Average UV index in June - Seabrook Island, SC
  • Average UV index in June: 7

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 3).

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Average cloud cover in June
Seabrook Island, SC

Average cloud cover in June - Seabrook Island, SC
  • Average cloud cover in June: 25

The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).

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Average visibility in June
Seabrook Island, SC

Average visibility in June - Seabrook Island, 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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Seabrook Island, South Carolina, USA

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