May weather forecastLadson, SC

May

Weather in May

The last month of the spring, May, is also a moderately hot month in Ladson, South Carolina, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 64.6°F (18.1°C).

Temperature

The beginning of May marks a minor shift in the average high-temperature, moving from April's 75.4°F (24.1°C) to a still warm 82°F (27.8°C). May brings with it a nighttime average temperature of 64.6°F (18.1°C) in Ladson.

Heat index

For May, the heat index is estimated at a tropical 87.8°F (31°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly 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

In May, the average relative humidity in Ladson is 75%.

Rainfall

In Ladson, in May, during 10 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Ladson, during the entire year, the rain falls for 120.6 days and collects up to 11.18" (284mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

In May, the average length of the day 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 in Ladson is 10h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Ladson. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 7 transforms into these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Ladson, 82°F (27.8°C) is the average high-temperature and 64.6°F (18.1°C) is the average low-temperature during May. In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 87.8°F (31°C).

In May, the average relative humidity in Ladson, South Carolina, is 75%.

In Ladson, in May, it is raining for 10 days, with typically 0.67" (17mm) of accumulated precipitation.

March through December are months without snowfall in Ladson, South Carolina.

In Ladson, South Carolina, the average day length in May is 13h and 52min.

On the first day of May in Ladson, South Carolina, 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.

In Ladson, South Carolina, the average sunshine duration in May is 10h.

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

In Ladson, South Carolina, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

75.4°F

82°F

88.7°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.4mph

6.6mph

6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

9.7

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.4

11.2

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Ladson, SC

Average high temperature in May: 82°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (56.8°F).

Average low temperature in May: 64.6°F

The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in May
Ladson, 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 (29.97"Hg).

Average wind speed in May
Ladson, SC

Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in May
Ladson, SC

Average humidity in May: 75%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (72%).

Average rainfall in May
Ladson, SC

Average rainfall in May: 0.67"

The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is January (0.28").

Average rainfall days in May
Ladson, SC

Average rainfall days in May: 10 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in May
Ladson, SC

Average snowfall in May: 0"

The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Ladson, SC

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in May: 13h and 54min

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 0min

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 30min).

Average sunshine days in May
Ladson, SC

Average sunshine days in May: 17.4 days

The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is August (7.4 days).

Average UV index in May
Ladson, SC

Average UV index in May: 7

The months with the highest UV index are May, 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
Ladson, SC

Average cloud cover in May: 34

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).

Average visibility in May
Ladson, 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).