May weather forecast
Pierpont, SC

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Weather in May

The last month of the spring, May, is another warm month in Pierpont, South Carolina, with an average temperature varying between 66.7°F (19.3°C) and 80.8°F (27.1°C).

Temperature

May brings a slight rise in Pierpont's average high-temperature, moving from a warm 74.1°F (23.4°C) in April to a still moderately hot 80.8°F (27.1°C). During May, the average low-temperature is a comfortable 66.7°F (19.3°C).

Heat index

The heat index in May is calculated to be 84.2°F (29°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
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 experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in May is 75%.

Rainfall

In May, the rain falls for 13.4 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. In Pierpont, during the entire year, the rain falls for 154.4 days and collects up to 23.43" (595mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in May is 13h and 52min.
On the first day of the month, sunrise is at 6:32 am and sunset at 8:02 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:23 pm EDT.

Sunshine

The average sunshine in May is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 7 in May suggests the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

In May, in Pierpont, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in May is calculated to be 84.2°F (29°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 May, the rain falls for 13.4 days. Throughout May, 1.42" (36mm) of precipitation is accumulated.

When it does not snow?

March through November are months without snowfall.

What is the average length of the day in May?

The average day length in May is 13h and 52min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:32 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May in Pierpont is 10.4h.

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.

How high is the UV index in May?

In Pierpont, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe 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
Pierpont, SC

Average temperature in May - Pierpont, SC
  • Average high temperature in May: 80.8°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°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 (42.8°F).

Average pressure in May
Pierpont, SC

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

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

Average wind speed in May
Pierpont, SC

Average wind speed in May - Pierpont, SC
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in May
Pierpont, SC

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

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

Average rainfall in May
Pierpont, SC

Average rainfall in May - Pierpont, SC
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in May
Pierpont, SC

Average rainfall days in May - Pierpont, SC
  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).

Average snowfall days in May
Pierpont, SC

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

The month with the highest number of snowfall days is December (0.3 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
Pierpont, SC

Average daylight in May / Average sunshine in May - Pierpont, 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 2min

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 36min).

Average sunshine days in May
Pierpont, SC

Average sunshine days in May - Pierpont, SC
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).

Average UV index in May
Pierpont, SC

Average UV index in May - Pierpont, 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
Pierpont, SC

Average cloud cover in May - Pierpont, SC
  • Average cloud cover in May: 29

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).

Average visibility in May
Pierpont, SC

Average visibility in May - Pierpont, 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).

Pierpont, South Carolina, USA

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