May weather forecastRantowles, SC
May
Weather in May
May, the last month of the spring in Rantowles, is also a moderately hot month, with an average temperature fluctuating between 66.7°F (19.3°C) and 81.1°F (27.3°C).Temperature
A minor escalation in the average high-temperature is seen with the onset of May, moving from a moderately hot 74.3°F (23.5°C) in April to a still warm 81.1°F (27.3°C). Rantowles experiences a mean temperature of 66.7°F (19.3°C) during May nights.Heat index
The average heat index in May is calculated to be a hot 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Note that heat index values are valued for light wind and location in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Rantowles, the average relative humidity in May is 75%.Rainfall
In Rantowles, during May, the rain falls for 11.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Rantowles, during the entire year, the rain falls for 118.7 days and collects up to 10.63" (270mm) of precipitation.Snowfall
February through November are months without snowfall.Daylight
In Rantowles, the average length of the day in May is 13h and 52min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:02 pm. On the last day of May, in Rantowles, sunrise is at 6:13 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May is 10.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, an average UV index of 7 transforms into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rantowles, SC
- Average high temperature in May: 81.1°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (57.2°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 (43.2°F).
Average pressure in May
Rantowles, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Rantowles, SC
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Rantowles, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in May
Rantowles, SC
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in May
Rantowles, SC
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).
Average snowfall days in May
Rantowles, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Rantowles, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Rantowles, SC
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).
Average UV index in May
Rantowles, 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
Rantowles, SC
- Average cloud cover in May: 28
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 25).
Average visibility in May
Rantowles, 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).





