May weather forecastIsland of Palms, SC
May
Weather in May
The last month of the spring, May, is a warm month in Island of Palms, South Carolina, with an average temperature ranging between min 69.1°F (20.6°C) and max 77.7°F (25.4°C).Temperature
The shift into May is marked by a modest rise in the average high-temperature, moving from April's agreeable 71.6°F (22°C) to a moderately hot 77.7°F (25.4°C). Island of Palms sees a minor drop to an average minimum temperature of 69.1°F (20.6°C) during the night in the month of May.Humidity
In May, the average relative humidity in Island of Palms, South Carolina, is 76%.Rainfall
In Island of Palms, in May, it is raining for 16.1 days, with typically 3.19" (81mm) of accumulated precipitation. In Island of Palms, during the entire year, the rain falls for 184.5 days and collects up to 45.83" (1164mm) of precipitation.Snowfall
In Island of Palms, South Carolina, snow does not fall in March through December.Daylight
The average length of the day in May in Island of Palms is 13h and 52min.On the first day of the month, sunrise is at 6:30 am and sunset at 8:01 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine in Island of Palms is 10.5h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Island of Palms, SC
- Average high temperature in May: 77.7°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: 69.1°F
The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in May
Island of Palms, 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
Island of Palms, SC
- Average wind speed in May: 9.7mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in May
Island of Palms, 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 and March (73%).
Average rainfall in May
Island of Palms, SC
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is August (7.83").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in May
Island of Palms, SC
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is August (25.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in May
Island of Palms, SC
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Island of Palms, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Island of Palms, SC
- Average daylight in May: 13h and 54min
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 30min
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
Island of Palms, SC
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in May
Island of Palms, SC
- Average UV index in May: 6
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).
Average cloud cover in May
Island of Palms, SC
- Average cloud cover in May: 27
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in May
Island of Palms, 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).





