May weather forecastDunean, SC
May
Weather in May
May, the last month of the spring in Dunean, is a warm month, with an average temperature ranging between max 79.2°F (26.2°C) and min 58.6°F (14.8°C).Temperature
The start of May signals a slight increase in the average high-temperature, moving from an agreeable 70.7°F (21.5°C) in April to a warm 79.2°F (26.2°C). The mean low-temperature during May nights is a refreshing 58.6°F (14.8°C).Humidity
In May, the average relative humidity in Dunean is 75%.Rainfall
In Dunean, during May, the rain falls for 16.4 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 163.5 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Dunean, South Carolina.Daylight
The average length of the day in May is 14h and 0min.On the first day of May in Dunean, sunrise is at 6:38 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:37 pm EDT.
Sunshine
The average sunshine in May is 10h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dunean, SC
- Average high temperature in May: 79.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in May
Dunean, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Dunean, SC
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Dunean, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Dunean, SC
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Dunean, SC
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is October (9.4 days).
Average snowfall in May
Dunean, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Dunean, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Dunean, SC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 10h and 0min
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 30min).
Average sunshine days in May
Dunean, SC
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in May
Dunean, SC
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Dunean, SC
- Average cloud cover in May: 33
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in May
Dunean, 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).





