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
A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a warm 74.1°F (23.4°C) in April to a still moderately hot 81.1°F (27.3°C). Blackville's nighttime temperature in May drops to an average of 63.5°F (17.5°C).Heat index
The heat index value during May is calculated to be a hot 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. 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 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Blackville, the average relative humidity in May is 74%.Rainfall
In Blackville, in May, during 14.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 153.7 rainfall days, and 28.82" (732mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall.Daylight
In Blackville, the average length of the day in May is 13h and 54min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:08 pm. On the last day of May, sunrise is at 6:16 am and sunset at 8:29 pm EDT.
Sunshine
In May, the average sunshine in Blackville is 10.1h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during May translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May in Blackville?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Blackville have in May?
What is the UV index reading in May?
Average temperature in May
Blackville, SC
- Average high temperature in May: 81.1°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in May: 63.5°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°F).
Average pressure in May
Blackville, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Blackville, SC
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Blackville, SC
- Average humidity in May: 74%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall in May
Blackville, SC
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in May
Blackville, SC
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in May
Blackville, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Blackville, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.4 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
Blackville, 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 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Blackville, SC
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is October (20.5 days).
The months with the least sunshine days are July and August (10 days).
Average UV index in May
Blackville, SC
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Blackville, SC
- Average cloud cover in May: 33
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Blackville, 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).
Blackville, South Carolina, USA
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