Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As Seabrook Island transitions into May, the average high-temperature is observed to slightly rise from 74.3°F (23.5°C) in April to a still moderately hot 81.1°F (27.3°C). During May, the average low-temperature is a comfortable 66.7°F (19.3°C).Heat index
Throughout May, the heat index is calculated to be a tropical 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 particularly relevant to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The average relative humidity in May is 75%.Rainfall
In May, the rain falls for 11.4 days. Throughout May, 0.83" (21mm) of precipitation is 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
The average length of the day in May in Seabrook Island is 13h and 50min.On the first day of May, sunrise is at 6:32 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May in Seabrook Island is 10.5h.UV index
The months with the highest UV index in Seabrook Island are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 7 during May translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Seabrook Island in May?
What is the average humidity in May in Seabrook Island?
How much does it rain in Seabrook Island in May?
When it does not snow in Seabrook Island?
What is the average length of the day in May in Seabrook Island?
When are sunrise and sunset in May in Seabrook Island?
How many hours of sunshine does Seabrook Island have in May?
What are the months with the highest UV index in Seabrook Island?
How high is the UV index in May in Seabrook Island?
Average temperature in May
Seabrook Island, 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).
Average pressure in May
Seabrook Island, 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).
Average wind speed in May
Seabrook Island, 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).
Average humidity in May
Seabrook Island, 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%).
Average rainfall in May
Seabrook Island, 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").
Average rainfall days in May
Seabrook Island, 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).
Average snowfall days in May
Seabrook Island, 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).
Average daylight in May /
Average sunshine in May
Seabrook Island, 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).
Average sunshine days in May
Seabrook Island, 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).
Average UV index in May
Seabrook Island, 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).
Average cloud cover in May
Seabrook Island, 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).
Average visibility in May
Seabrook Island, 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).
Seabrook Island, South Carolina, USA
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