May weather forecastYemassee, SC
May
Weather in May
May, the last month of the spring in Yemassee, is also a moderately hot month, with an average temperature fluctuating between 66.2°F (19°C) and 82.2°F (27.9°C).Temperature
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's moderately hot 75.7°F (24.3°C) to a still warm 82.2°F (27.9°C). An average low-temperature of 66.2°F (19°C) is noted during the month of May.Heat index
The heat index for May is computed to be a hot 87.8°F (31°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In May, the average relative humidity is 74%.Rainfall
In Yemassee, South Carolina, during May, the rain falls for 15.3 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Yemassee, during the entire year, the rain falls for 166.9 days and collects up to 33.9" (861mm) of precipitation.Snowfall
In Yemassee, snow does not fall in February through December.Daylight
The average length of the day in May is 13h and 51min.On the first day of May, sunrise is at 6:35 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:26 pm EDT.
Sunshine
In May, the average sunshine in Yemassee, South Carolina, is 10.3h.UV index
The months with the highest UV index in Yemassee, South Carolina, are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 7 in May translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Yemassee, SC
- Average high temperature in May: 82.2°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in May: 66.2°F
The months with the highest average low temperature are July and August (75.6°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in May
Yemassee, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Yemassee, SC
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Yemassee, SC
- Average humidity in May: 74%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (71%).
Average rainfall in May
Yemassee, SC
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in May
Yemassee, SC
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Yemassee, SC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Yemassee, 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 March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Yemassee, 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 18min
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 30min).
Average sunshine days in May
Yemassee, SC
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (5.2 days).
Average UV index in May
Yemassee, 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
Yemassee, SC
- Average cloud cover in May: 30
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Yemassee, 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).
