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
The arrival of May introduces a minor uplift in high-temperatures, adjusting from a moderately hot 74.5°F (23.6°C) in April to a still warm 81.5°F (27.5°C). Jackson observes an average low-temperature of 63.7°F (17.6°C) during May nights.Heat index
May's heat index is calculated to be a hot 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
In Jackson, South Carolina, the average relative humidity in May is 73%.Rainfall
In Jackson, during May, the rain falls for 14.6 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Jackson, South Carolina, during the entire year, the rain falls for 153.6 days and collects up to 29.33" (745mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
In May, the average length of the day is 13h and 53min.On the first day of May in Jackson, South Carolina, sunrise is at 6:38 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:31 pm EDT.
Sunshine
In Jackson, the average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index in Jackson is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Jackson in May?
What is the average humidity in May in Jackson?
How much does it rain in Jackson in May?
When it does not snow in Jackson?
How many hours of daylight does Jackson have in May?
What time are sunrise and sunset in May in Jackson?
How many hours of sunshine does Jackson have in May?
What is the UV index reading in May in Jackson?
Average temperature in May
Jackson, SC
- Average high temperature in May: 81.5°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 (54.1°F).
- Average low temperature in May: 63.7°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in May
Jackson, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Jackson, SC
- Average wind speed in May: 7mph
The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Jackson, SC
- Average humidity in May: 73%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are January, July and November (70%).
Average rainfall in May
Jackson, SC
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Jackson, SC
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in May
Jackson, SC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Jackson, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.4 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
Jackson, 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 24min).
Average sunshine days in May
Jackson, SC
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in May
Jackson, 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
Jackson, SC
- Average cloud cover in May: 32
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Jackson, 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).
Jackson, South Carolina, USA
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