Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a moderately hot 73.9°F (23.3°C) in April to a still warm 80.8°F (27.1°C). May nights are marked by an average low-temperature of 63.1°F (17.3°C).Heat index
In May, the heat index is estimated at a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.For clarity, heat index numbers account for light winds and areas under shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The months with the highest humidity are May, August and September, with an average relative humidity of 76%.Rainfall
In May, the rain falls for 15.4 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. In Rowesville, during the entire year, the rain falls for 159.3 days and collects up to 32.01" (813mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in May is 13h and 54min.On the first day of May, sunrise is at 6:34 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:27 pm EDT.
Sunshine
The average sunshine in May in Rowesville is 9.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, the UV index of 6 transforms into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Rowesville have in May?
When is the sunrise / sunset in May in Rowesville?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Rowesville, SC
- Average high temperature in May: 80.8°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in May: 63.1°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in May
Rowesville, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Rowesville, SC
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
Rowesville, SC
- Average humidity in May: 76%
The months with the highest relative humidity are May, August and September (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in May
Rowesville, SC
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in May
Rowesville, SC
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Rowesville, SC
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Rowesville, 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
Rowesville, 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: 9h and 5min
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 24min).
Average sunshine days in May
Rowesville, SC
- Average sunshine days in May: 13.4 days
The months with the most sunshine days are October and November (21.1 days).
The months with the least sunshine days are July and August (7.3 days).
Average UV index in May
Rowesville, SC
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Rowesville, SC
- Average cloud cover in May: 34
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in May
Rowesville, 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).
Rowesville, South Carolina, USA
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