May weather forecastKeitts Crossroads, SC
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Keitts Crossroads, South Carolina, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 61.2°F (16.2°C).Temperature
Observing a slight rise in May, the average high-temperature shifts from April's 73.4°F (23°C) to a still moderately hot 81°F (27.2°C). During the nights in May, an average low-temperature of 61.2°F (16.2°C) is observed.Heat index
The heat index value during May is computed to be a tropical 86°F (30°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in May is 74%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 148.7 rainfall days, and 28.86" (733mm) of precipitation is accumulated.Snowfall
In Keitts Crossroads, snow does not fall in April through November.Daylight
In Keitts Crossroads, the average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:14 am and sunset at 8:32 pm EDT.
Sunshine
In Keitts Crossroads, the average sunshine in May is 9.9h.UV index
The average daily maximum UV index in May in Keitts Crossroads is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in May leads to these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Keitts Crossroads, SC
- Average high temperature in May: 81°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 61.2°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 (35.4°F).
Average pressure in May
Keitts Crossroads, 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
Keitts Crossroads, SC
- Average wind speed in May: 6.3mph
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
Keitts Crossroads, 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
Keitts Crossroads, SC
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Keitts Crossroads, SC
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in May
Keitts Crossroads, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Keitts Crossroads, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 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
Keitts Crossroads, 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 54min
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
Keitts Crossroads, SC
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in May
Keitts Crossroads, 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
Keitts Crossroads, SC
- Average cloud cover in May: 35
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Keitts Crossroads, 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).





