May weather forecastCarlisle, SC
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Carlisle, South Carolina, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 60.4°F (15.8°C).Temperature
Carlisle perceives a slight temperature ascent during May, with average high-temperatures adjusting from 73.4°F (23°C) in April to a still warm 81.1°F (27.3°C). Carlisle reports an average nighttime low-temperature of 60.4°F (15.8°C) in May.Heat index
For most parts of May, the heat index is evaluated at a tropical 86°F (30°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 are particularly meaningful for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In May, the average relative humidity is 75%.Rainfall
In Carlisle, in May, during 14.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 148.4 rainfall days, and 28.66" (728mm) of precipitation is accumulated.Snowfall
In Carlisle, snow does not fall in April through November.Daylight
In May, the average length of the day is 13h and 59min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:14 am and sunset at 8:33 pm EDT.
Sunshine
The average sunshine in May is 9.8h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Carlisle, SC
- Average high temperature in May: 81.1°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 60.4°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in May
Carlisle, 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
Carlisle, SC
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Carlisle, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Carlisle, SC
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Carlisle, SC
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in May
Carlisle, SC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Carlisle, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Carlisle, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Carlisle, SC
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in May
Carlisle, SC
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Carlisle, SC
- Average cloud cover in May: 36
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 30).
Average visibility in May
Carlisle, 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).
