May weather forecast
Jacksonboro, SC

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Weather in May

The last month of the spring, May, is also a moderately hot month in Jacksonboro, South Carolina, with an average temperature fluctuating between 66.7°F (19.3°C) and 81.1°F (27.3°C).

Temperature

With the onset of May, Jacksonboro observes a minor temperature ascent, with the average high-temperature adjusting from April's warm 74.3°F (23.5°C) to a still moderately hot 81.1°F (27.3°C). In May, Jacksonboro encounters an average low-temperature of 66.7°F (19.3°C) during the night.

Heat index

The heat index value during May is evaluated at a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. 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', combines both the air temperature and the humidity level to give a perceived human temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

The average relative humidity in May is 75%.

Rainfall

In May, in Jacksonboro, South Carolina, the rain falls for 11.4 days. Throughout May, 0.83" (21mm) of precipitation is accumulated. In Jacksonboro, during the entire year, the rain falls for 118.7 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

In Jacksonboro, snow does not fall in February through November.

Daylight

The average length of the day in May in Jacksonboro is 13h and 52min.
On the first day of May, sunrise is at 6:33 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:24 pm EDT.

Sunshine

The average sunshine in May is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Jacksonboro, is 81.1°F (27.3°C), while the low-temperature averages to 66.7°F (19.3°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in May?

The average relative humidity in May is 75%.

How many days does it rain in May?

In Jacksonboro, in May, during 11.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When it does not snow?

February through November are months without snowfall in Jacksonboro.

How many hours of daylight does Jacksonboro have in May?

In May, the average day length is 13h and 52min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:33 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:24 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 10.5h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

What is the UV index reading in May?

In May, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Jacksonboro, SC

Average temperature in May - Jacksonboro, SC
  • Average high temperature in May: 81.1°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (57.2°F).

  • Average low temperature in May: 66.7°F

The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average pressure in May
Jacksonboro, SC

Average pressure in May - Jacksonboro, SC
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in May
Jacksonboro, SC

Average wind speed in May - Jacksonboro, SC
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in May
Jacksonboro, SC

Average humidity in May - Jacksonboro, SC
  • Average humidity in May: 75%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).

Average rainfall in May
Jacksonboro, SC

Average rainfall in May - Jacksonboro, SC
  • Average rainfall in May: 0.83"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in May
Jacksonboro, SC

Average rainfall days in May - Jacksonboro, SC
  • Average rainfall days in May: 11.4 days

The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).

Average snowfall days in May
Jacksonboro, SC

Average snowfall days in May - Jacksonboro, SC
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Jacksonboro, SC

Average daylight in May / Average sunshine in May - Jacksonboro, 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 3min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in May
Jacksonboro, SC

Average sunshine days in May - Jacksonboro, SC
  • Average sunshine days in May: 15.6 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).

Average UV index in May
Jacksonboro, SC

Average UV index in May - Jacksonboro, SC
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in May
Jacksonboro, SC

Average cloud cover in May - Jacksonboro, SC
  • Average cloud cover in May: 28

The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in May
Jacksonboro, SC

Average visibility in May - Jacksonboro, 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).

Jacksonboro, South Carolina, USA

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