May weather forecastSmyrna, NC
May
Weather in May
May, the last month of the spring in Smyrna, is a moderately hot month, with an average temperature ranging between min 68.2°F (20.1°C) and max 74.1°F (23.4°C).Temperature
The start of May brings a subtle shift in the average high-temperature, edging up from April's enjoyable 66.9°F (19.4°C) to a warm 74.1°F (23.4°C). Smyrna, during May nights, experiences a subtle shift to a low average of 68.2°F (20.1°C) from the day's heat.Humidity
The months with the highest humidity are May through August, with an average relative humidity of 78%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 181.4 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in Smyrna.Daylight
In Smyrna, the average length of the day in May is 14h and 0min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:53 am and sunset at 8:13 pm EDT.
Sunshine
The average sunshine in May is 10.1h.UV index
In Smyrna, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 6 in May transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Smyrna, NC
- Average high temperature in May: 74.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in May: 68.2°F
The month with the highest average low temperature is July (78.3°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in May
Smyrna, NC
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Smyrna, NC
- Average wind speed in May: 11.9mph
The windiest months (with the highest average wind speed) are February and March (14mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in May
Smyrna, NC
- Average humidity in May: 78%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are February, March and October (74%).
Average rainfall in May
Smyrna, NC
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is August (4.84").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in May
Smyrna, NC
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is August (22.3 days).
The months with the least rainy days are February and November (11.1 days).
Average snowfall in May
Smyrna, NC
- 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, November and December (0").
Average snowfall days in May
Smyrna, NC
- 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
Smyrna, 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 54min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Smyrna, NC
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in May
Smyrna, NC
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Smyrna, NC
- Average cloud cover in May: 31
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Smyrna, 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).





