May weather forecastChappells, SC
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Chappells, South Carolina, with an average temperature ranging between max 81.1°F (27.3°C) and min 61°F (16.1°C).Temperature
May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's moderately hot 73.6°F (23.1°C) to a still warm 81.1°F (27.3°C). In Chappells, in May, the average low-temperature is a refreshing 61°F (16.1°C).Heat index
The heat index in May is appraised at a hot 86°F (30°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. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The average relative humidity in May is 74%.Rainfall
In Chappells, during May, the rain falls for 14.2 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Chappells, during the entire year, the rain falls for 146 days and collects up to 28.31" (719mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Chappells, South Carolina, the average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:11 pm. On the last day of May, sunrise is at 6:16 am and sunset at 8:33 pm EDT.
Sunshine
In Chappells, the average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chappells, SC
- Average high temperature in May: 81.1°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in May: 61°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in May
Chappells, 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 (29.98"Hg).
Average wind speed in May
Chappells, SC
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Chappells, SC
- Average humidity in May: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Chappells, SC
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Chappells, SC
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in May
Chappells, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Chappells, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Chappells, SC
- Average daylight in May: 14h and 0min
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 48min
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 18min).
Average sunshine days in May
Chappells, SC
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in May
Chappells, SC
- Average UV index in May: 6
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Chappells, SC
- Average cloud cover in May: 35
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in May
Chappells, 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).
