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
In Alcolu, stepping into May brings a gentle temperature nudge, moving slightly up from April's 73.4°F (23°C) to a still moderately hot 80.1°F (26.7°C). The month of May records an average low-temperature of 63.1°F (17.3°C).Humidity
With an average relative humidity of 78%, May is the most humid month.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. In Alcolu, South Carolina, during the entire year, the rain falls for 158.1 days and collects up to 30.28" (769mm) of precipitation.Snowfall
In Alcolu, snow does not fall in March through November.Daylight
In May, the average length of the day is 13h and 55min.On the first day of May, sunrise is at 6:31 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:26 pm EDT.
Sunshine
In Alcolu, the average sunshine in May is 9.9h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 in May translates into these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
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?
What is the average length of the day in May in Alcolu?
What time are sunrise and sunset in May?
How many hours of sunshine does Alcolu have in May?
What is the UV index reading in May?
Average temperature in May
Alcolu, SC
- Average high temperature in May: 80.1°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in May: 63.1°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in May
Alcolu, 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
Alcolu, SC
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Alcolu, SC
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in May
Alcolu, SC
- Average rainfall in May: 2.87"
The wettest months (with the highest rainfall) are August and December (3.23").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in May
Alcolu, SC
- Average rainfall days in May: 15.3 days
The months with the highest number of rainy days are July and August (18.8 days).
The month with the least rainy days is November (8 days).
Average snowfall in May
Alcolu, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Alcolu, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.6 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
Alcolu, SC
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Alcolu, SC
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in May
Alcolu, 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, February and December (UV index 3).
Average cloud cover in May
Alcolu, SC
- Average cloud cover in May: 35
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Alcolu, 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).
Alcolu, South Carolina, USA
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