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
The arrival of May brings a soft temperature shift, with the average high-temperature nudging from an agreeable 71.4°F (21.9°C) in April to a moderately hot 78.1°F (25.6°C). Seaside in May observes a slight diminution in temperature from daily highs, recording a low-temperature average of 69.3°F (20.7°C).Humidity
In Seaside, the average relative humidity in May is 76%.Rainfall
In Seaside, in May, during 9.9 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Seaside, South Carolina, during the entire year, the rain falls for 113.3 days and collects up to 10" (254mm) of precipitation.Snowfall
In Seaside, snow does not fall in February through November.Daylight
The average length of the day in May is 13h and 51min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:22 pm EDT.
Sunshine
The average sunshine in May is 10.5h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 7 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Seaside have in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Seaside, SC
- Average high temperature in May: 78.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in May: 69.3°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in May
Seaside, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Seaside, SC
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in May
Seaside, SC
- Average humidity in May: 76%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall in May
Seaside, SC
- Average rainfall in May: 0.47"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in May
Seaside, SC
- Average rainfall days in May: 9.9 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).
Average snowfall days in May
Seaside, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 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
Seaside, 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 0min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Seaside, SC
- Average sunshine days in May: 18.4 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in May
Seaside, 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
Seaside, SC
- Average cloud cover in May: 27
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in May
Seaside, 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).
Seaside, South Carolina, USA
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