May weather forecastVermillion, SC
May
Weather in May
May, the last month of the spring in Vermillion, is a warm month, with an average temperature fluctuating between 80.2°F (26.8°C) and 59.5°F (15.3°C).Temperature
As Vermillion welcomes May, the average high-temperature displays a subtle shift, adjusting from a pleasant 72.1°F (22.3°C) in April to a warm 80.2°F (26.8°C). Throughout May, Vermillion registers a consistent average low-temperature of 59.5°F (15.3°C).Humidity
In Vermillion, the average relative humidity in May is 76%.Rainfall
In Vermillion, in May, during 15.8 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Vermillion, during the entire year, the rain falls for 160.5 days and collects up to 37.4" (950mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 13h and 58min.On the first day of May, sunrise is at 6:38 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:36 pm EDT.
Sunshine
The average sunshine in May is 9.6h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vermillion, SC
- Average high temperature in May: 80.2°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 (50.5°F).
- Average low temperature in May: 59.5°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in May
Vermillion, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Vermillion, SC
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Vermillion, SC
- Average humidity in May: 76%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Vermillion, SC
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Vermillion, SC
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in May
Vermillion, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Vermillion, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.3 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
Vermillion, 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: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in May
Vermillion, SC
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in May
Vermillion, SC
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Vermillion, SC
- Average cloud cover in May: 37
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in May
Vermillion, SC
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





