May weather forecastDalzell, SC
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Dalzell, South Carolina, with an average temperature varying between 80.2°F (26.8°C) and 62.8°F (17.1°C).Temperature
Dalzell's transition into May is marked by a minor temperature shift, moving from a moderately hot 73.4°F (23°C) in April to a still warm 80.2°F (26.8°C). Dalzell records an average nighttime low of 62.8°F (17.1°C) in May.Humidity
The most humid month is May, with an average relative humidity of 76%.Rainfall
In May, the rain falls for 15.6 days. Throughout May, 3.35" (85mm) of precipitation is accumulated. In Dalzell, during the entire year, the rain falls for 161.8 days and collects up to 33.35" (847mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 13h and 56min.On the first day of May, sunrise is at 6:31 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:27 pm EDT.
Sunshine
In Dalzell, the average sunshine in May is 9.7h.UV index
In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 in May translates into these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dalzell, SC
- Average high temperature in May: 80.2°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in May: 62.8°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in May
Dalzell, 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
Dalzell, SC
- Average wind speed in May: 7.1mph
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 (5.6mph).
Average humidity in May
Dalzell, SC
- Average humidity in May: 76%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in May
Dalzell, SC
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Dalzell, SC
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in May
Dalzell, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Dalzell, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 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
Dalzell, SC
- Average daylight in May: 13h and 54min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Dalzell, SC
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in May
Dalzell, 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
Dalzell, SC
- Average cloud cover in May: 36
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in May
Dalzell, 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).





