May weather forecast
Edisto Beach, SC

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Weather in May

By May, the pleasant spring weather transitions into the beginnings of summer. The blooming flowers paint a vibrant picture, while the increasing temperature makes cooling off in the ocean a favorite pastime for locals and tourists alike. The lengthening days add more hours of sunshine, attracting a higher number of tourists to the beach. With summer nearly in full swing, May experiences the highest rainfall for the first half of the year, with increments of up to 1.22" (31mm).

Temperature

The arrival of May in Edisto Beach signals a slight increase in the average high-temperature, moving from 74.3°F (23.5°C) in April to a still warm 81.1°F (27.3°C). In the month of May, Edisto Beach experiences an average low-temperature of 66.7°F (19.3°C).

Heat index

The heat index value during May is estimated at a hot 86°F (30°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In May, the average relative humidity in Edisto Beach, South Carolina, is 75%.

Rainfall

In Edisto Beach, during May, the rain falls for 11.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Edisto Beach, there are 118.7 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

In Edisto Beach, South Carolina, snow does not fall in February through November.

Daylight

In May, the average length of the day in Edisto Beach is 13h and 50min.
On the first day of the month, sunrise is at 6:33 am and sunset at 8:02 pm. On the last day of May, in Edisto Beach, sunrise is at 6:14 am and sunset at 8:23 pm EDT.

Sunshine

The average sunshine in May in Edisto Beach, South Carolina, is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 7 during May translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the average May temperature in Edisto Beach?

May temperatures vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 66.7°F (19.3°C). In May, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in May in Edisto Beach?

In May, the average relative humidity is 75%.

How many days does it rain in May in Edisto Beach?

In Edisto Beach, South Carolina, in May, it is raining for 11.4 days, with typically 0.83" (21mm) of accumulated precipitation.

When it does not snow in Edisto Beach?

February through November are months without snowfall in Edisto Beach.

How many hours of daylight does Edisto Beach have in May?

In May, the average day length in Edisto Beach is 13h and 50min.

When are sunrise and sunset in May in Edisto Beach?

On the first day of May in Edisto Beach, sunrise is at 6:33 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:23 pm EDT.

How long on average sun shines in May in Edisto Beach?

In May, the average sunshine duration in Edisto Beach, South Carolina, is 10.5h.

When is the highest UV index in Edisto Beach?

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

How high is the UV index in May in Edisto Beach?

The average daily maximum UV index in May in Edisto Beach, South Carolina, is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health 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 May
Edisto Beach, SC

Average temperature in May - Edisto Beach, SC
  • Average high temperature in May: 81.1°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 May: 66.7°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 May
Edisto Beach, SC

Average pressure in May - Edisto Beach, SC
  • Average pressure in May: 30.03"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 May
Edisto Beach, SC

Average wind speed in May - Edisto Beach, SC
  • Average wind speed in May: 7.4mph

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 May
Edisto Beach, SC

Average humidity in May - Edisto Beach, SC
  • Average humidity in May: 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 May
Edisto Beach, SC

Average rainfall in May - Edisto Beach, SC
  • Average rainfall in May: 0.83"

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 May
Edisto Beach, SC

Average rainfall days in May - Edisto Beach, SC
  • Average rainfall days in May: 11.4 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 May
Edisto Beach, SC

Average snowfall days in May - Edisto Beach, SC
  • Average snowfall days in May: 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 May /
Average sunshine in May
Edisto Beach, SC

Average daylight in May / Average sunshine in May - Edisto Beach, SC
  • Average daylight in May: 13h and 5min

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 May: 10h and 3min

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 May
Edisto Beach, SC

Average sunshine days in May - Edisto Beach, SC
  • Average sunshine days in May: 15.6 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 May
Edisto Beach, SC

Average UV index in May - Edisto Beach, SC
  • Average UV index in May: 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 May
Edisto Beach, SC

Average cloud cover in May - Edisto Beach, SC
  • Average cloud cover in May: 28

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 May
Edisto Beach, SC

Average visibility in May - Edisto Beach, SC
  • Average visibility in May: 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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Edisto Beach, South Carolina, USA

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