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
Islandton experiences a minor temperature shift with the start of May, with average high-temperatures moving from 75.6°F (24.2°C) in April to a still warm 82.2°F (27.9°C). Islandton records a mean low-temperature of 64°F (17.8°C) in May.Heat index
The heat index for May is evaluated at a hot 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In Islandton, the average relative humidity in May is 75%.Rainfall
In Islandton, in May, it is raining for 13.5 days, with typically 1.54" (39mm) of accumulated precipitation. In Islandton, during the entire year, the rain falls for 138.1 days and collects up to 18.98" (482mm) of precipitation.Snowfall
In Islandton, snow does not fall in January, March through December.Daylight
The average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 6:35 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in May is 10h.UV index
In Islandton, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during May translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Islandton have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Islandton, SC
- Average high temperature in May: 82.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in May: 64°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in May
Islandton, 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
Islandton, SC
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Islandton, SC
- Average humidity in May: 75%
The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in May
Islandton, SC
- Average rainfall in May: 1.54"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in May
Islandton, SC
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in May
Islandton, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Islandton, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (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
Islandton, SC
- Average daylight in May: 13h and 5min
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 0min
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
Islandton, SC
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Islandton, 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
Islandton, SC
- Average cloud cover in May: 34
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 30).
Average visibility in May
Islandton, 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).
Islandton, South Carolina, USA
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