May weather forecastWinston-Salem, NC
May
Weather in May
May is characterized by a significant rise in temperatures, reaching up to a warm 77.5°F (25.3°C) during the day and a still comfortable 57.6°F (14.2°C) at night. The onset of summer brings a decline in wind speeds while maintaining relatively high humidity levels, making the air feel hotter than it is. Rainfall remains quite abundant with showers expected throughout the month, keeping the city's landscapes green and thriving. Throughout May, daylight hours continue to lengthen, complementing the escalation in temperature.Temperature
Winston-Salem's transition into May is noticed by a slight rise in the average high-temperature, advancing from an agreeable 68.9°F (20.5°C) in April to a moderately hot 77.5°F (25.3°C). Winston-Salem's nights in May experience an average temperature drop to a moderate 57.6°F (14.2°C).Humidity
May and December, with an average relative humidity of 75%, are the most humid months.Rainfall
May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 3.19" (81mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 6min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:08 pm. On the last day of May, sunrise is at 6:05 am and sunset at 8:32 pm EDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 in May translates into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Winston-Salem, NC
- Average high temperature in May: 77.5°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 (45.9°F).
- Average low temperature in May: 57.6°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in May
Winston-Salem, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Winston-Salem, NC
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Winston-Salem, NC
- Average humidity in May: 75%
The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Winston-Salem, NC
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is October (2.05").
Average rainfall days in May
Winston-Salem, NC
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in May
Winston-Salem, NC
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Winston-Salem, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 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
Winston-Salem, NC
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- 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 30min).
Average sunshine days in May
Winston-Salem, NC
- Average sunshine days in May: 11.8 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in May
Winston-Salem, NC
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Winston-Salem, NC
- Average cloud cover in May: 39
The months with the most cloud cover are February and March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in May
Winston-Salem, NC
- 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).
