May weather forecastThunderwoods, SC
May
Weather in May
May, the last month of the spring in Thunderwoods, is a moderately hot month, with an average temperature varying between 62.6°F (17°C) and 80.2°F (26.8°C).Temperature
A slight uplift in the average high-temperature marks May, adjusting from April's pleasant 73°F (22.8°C) to a warm 80.2°F (26.8°C). In May, Thunderwoods's temperature tends to fall to an average low of 62.6°F (17°C) during the night.Humidity
May is the most humid month, with an average relative humidity of 75%.Rainfall
In Thunderwoods, South Carolina, during May, the rain falls for 15.3 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 157 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Thunderwoods, the average length of the day in May is 13h and 58min.On the first day of May, sunrise is at 6:32 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:29 pm EDT.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Thunderwoods, SC
- Average high temperature in May: 80.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in May: 62.6°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in May
Thunderwoods, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Thunderwoods, SC
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Thunderwoods, SC
- Average humidity in May: 75%
The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in May
Thunderwoods, SC
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").
Average rainfall days in May
Thunderwoods, SC
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in May
Thunderwoods, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Thunderwoods, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Thunderwoods, SC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 10h and 0min
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 30min).
Average sunshine days in May
Thunderwoods, SC
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in May
Thunderwoods, SC
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Thunderwoods, SC
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Thunderwoods, 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).





