May weather forecastOakcrest, SC
May
Weather in May
May, the last month of the spring in Oakcrest, is a warm month, with an average temperature varying between 68.2°F (20.1°C) and 79.5°F (26.4°C).Temperature
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a pleasant 72.7°F (22.6°C) to a moderately hot 79.5°F (26.4°C). An average low-temperature of 68.2°F (20.1°C) is anticipated throughout the nights during May.Humidity
The average relative humidity in May is 75%.Rainfall
In Oakcrest, South Carolina, in May, it is raining for 15.8 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Oakcrest, there are 178.9 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In May, the average length of the day is 13h and 51min.On the first day of May, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:22 pm EDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 7 in May transforms into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Oakcrest, SC
- Average high temperature in May: 79.5°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in May: 68.2°F
The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).
Average pressure in May
Oakcrest, 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
Oakcrest, SC
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in May
Oakcrest, 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 (73%).
Average rainfall in May
Oakcrest, SC
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is August (7.13").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in May
Oakcrest, SC
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in May
Oakcrest, SC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Oakcrest, 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
Oakcrest, 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 30min
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 42min).
Average sunshine days in May
Oakcrest, SC
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in May
Oakcrest, 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
Oakcrest, SC
- Average cloud cover in May: 27
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 26).
Average visibility in May
Oakcrest, 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).





