May weather forecastShirley, SC
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Shirley, South Carolina, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 64.2°F (17.9°C).Temperature
In Shirley, the average high-temperature in May slightly increases from 75.2°F (24°C) in April to a still warm 82°F (27.8°C). Shirley experiences an average temperature drop to a refreshing 64.2°F (17.9°C) during May nights.Heat index
In May, the heat index is evaluated at a tropical 87.8°F (31°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in May in Shirley, South Carolina, is 76%.Rainfall
In Shirley, during May, the rain falls for 15.4 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Shirley, there are 158.7 rainfall days, and 30.28" (769mm) of precipitation is accumulated.Snowfall
In Shirley, snow does not fall in March through November.Daylight
The average length of the day in May in Shirley is 13h and 51min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:07 pm. On the last day of May, sunrise is at 6:18 am and sunset at 8:27 pm EDT.
Sunshine
The average sunshine in May is 10.2h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Shirley, SC
- Average high temperature in May: 82°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in May: 64.2°F
The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in May
Shirley, SC
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Shirley, SC
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Shirley, SC
- Average humidity in May: 76%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is January (71%).
Average rainfall in May
Shirley, SC
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in May
Shirley, SC
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Shirley, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Shirley, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Shirley, SC
- Average daylight in May: 13h and 48min
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 12min
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
Shirley, SC
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in May
Shirley, SC
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Shirley, 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 July and October (Cloud cover 29).
Average visibility in May
Shirley, 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).
