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 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
May in Cayce signals a minor shift in the average high-temperature, moving from April's 73.9°F (23.3°C) to a still moderately hot 81°F (27.2°C). In Cayce, an average temperature of 63°F (17.2°C) is noted during May nights.Heat index
May's mean heat index is estimated at 84.2°F (29°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In Cayce, the average relative humidity in May is 73%.Rainfall
In Cayce, in May, during 13.2 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Cayce, during the entire year, the rain falls for 130.3 days and collects up to 20.55" (522mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in May in Cayce is 13h and 56min.On the first day of May in Cayce, South Carolina, sunrise is at 6:34 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
The average daily maximum UV index in May in Cayce is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, a daily UV index of 6 turns into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Cayce?
What is the average humidity in May in Cayce?
How many days does it rain in May in Cayce?
When it does not snow in Cayce?
How many hours of daylight does Cayce have in May?
When is the sunrise / sunset in May in Cayce?
How many hours of sunshine does Cayce have in May?
What is the UV index reading in May in Cayce?
Average temperature in May
Cayce, SC
- Average high temperature in May: 81°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in May: 63°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in May
Cayce, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Cayce, SC
- Average wind speed in May: 7.1mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Cayce, SC
- Average humidity in May: 73%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Cayce, SC
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in May
Cayce, SC
- Average rainfall days in May: 13.2 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is October (6.6 days).
Average snowfall in May
Cayce, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Cayce, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Cayce, SC
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Cayce, SC
- Average sunshine days in May: 14.9 days
The month with the most sunshine days is October (23 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in May
Cayce, 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, February and December (UV index 3).
Average cloud cover in May
Cayce, 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 October (Cloud cover 28).
Average visibility in May
Cayce, 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).
Cayce, South Carolina, USA
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