May weather forecastMar-Mac, NC
May
Weather in May
May, the last month of the spring in Mar-Mac, is a warm month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 78.6°F (25.9°C).Temperature
May's arrival brings a modest temperature shift, moving from an agreeable 71.2°F (21.8°C) in April to a warm 78.6°F (25.9°C). May nights experience a consistent temperature drop to an enjoyable 61.3°F (16.3°C).Humidity
May, August and September, with an average relative humidity of 78%, are the most humid months.Rainfall
In Mar-Mac, in May, it is raining for 17.8 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 165.9 rainfall days, and 34.17" (868mm) of precipitation is accumulated.Snowfall
In Mar-Mac, snow does not fall in April through November.Daylight
The average length of the day in May is 14h and 2min.On the first day of May, sunrise is at 6:19 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
In Mar-Mac, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Shield from overexposure. Defense against sun-related harm is required. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mar-Mac, NC
- Average high temperature in May: 78.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in May: 61.3°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in May
Mar-Mac, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Mar-Mac, NC
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Mar-Mac, NC
- Average humidity in May: 78%
The months with the highest relative humidity are May, August and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in May
Mar-Mac, NC
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in May
Mar-Mac, NC
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in May
Mar-Mac, NC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Mar-Mac, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1 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
Mar-Mac, NC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Mar-Mac, NC
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in May
Mar-Mac, NC
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Mar-Mac, NC
- Average cloud cover in May: 38
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in May
Mar-Mac, 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).





