May weather forecast
Ashley Junction, SC

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Weather in May

May, the last month of the spring in Ashley Junction, is another warm month, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 80.8°F (27.1°C).

Temperature

May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's 74.1°F (23.4°C) to a still warm 80.8°F (27.1°C). The month of May records an average low-temperature of 66.7°F (19.3°C).

Heat index

May's mean heat index is calculated to be 84.2°F (29°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in May in Ashley Junction is 75%.

Rainfall

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

Snowfall

In Ashley Junction, snow does not fall in March through November.

Daylight

The average length of the day in May is 13h and 52min.
On the first day of May in Ashley Junction, sunrise is at 6:31 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.

Sunshine

In May, the average sunshine 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 threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, a daily UV index of 7 turns into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Ashley Junction?

An average high-temperature, in May, in Ashley Junction, 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. 'real feel', 'feels like'), which combines relative humidity and air temperature, in May is calculated to be 84.2°F (29°C).

What is the average humidity in May in Ashley Junction?

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

How much does it rain in Ashley Junction in May?

In Ashley Junction, South Carolina, in May, it is raining for 13.4 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Ashley Junction?

March through November are months without snowfall in Ashley Junction.

What is the average length of the day in May in Ashley Junction?

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

When are sunrise and sunset in May in Ashley Junction?

On the first day of May in Ashley Junction, sunrise is at 6:31 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 many hours of sunshine does Ashley Junction have in May?

In Ashley Junction, the average sunshine duration in May is 10.4h.

What is the month with the highest UV index in Ashley Junction?

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

What is the UV index intensity in May in Ashley Junction?

The average daily maximum UV index in May in Ashley Junction is 7. A UV Index estimate of 6 to 7 represents a high health risk 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
Ashley Junction, SC

Average temperature in May - Ashley Junction, 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
Ashley Junction, SC

Average pressure in May - Ashley Junction, 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
Ashley Junction, SC

Average wind speed in May - Ashley Junction, 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
Ashley Junction, SC

Average humidity in May - Ashley Junction, 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
Ashley Junction, SC

Average rainfall in May - Ashley Junction, 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
Ashley Junction, SC

Average rainfall days in May - Ashley Junction, 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
Ashley Junction, SC

Average snowfall days in May - Ashley Junction, 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
Ashley Junction, SC

Average daylight in May / Average sunshine in May - Ashley Junction, 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
Ashley Junction, SC

Average sunshine days in May - Ashley Junction, 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
Ashley Junction, SC

Average UV index in May - Ashley Junction, 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
Ashley Junction, SC

Average cloud cover in May - Ashley Junction, 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
Ashley Junction, SC

Average visibility in May - Ashley Junction, 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).

Ashley Junction, South Carolina, USA

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