May weather forecastSmithfield, NC
May
Weather in May
May, the last month of the spring in Smithfield, is a moderately hot month, with an average temperature varying between 78.3°F (25.7°C) and 61°F (16.1°C).Temperature
May's arrival is noted with a slight increase in the average high-temperature, moving from a pleasant 70.5°F (21.4°C) in April to a moderately hot 78.3°F (25.7°C). An average temperature of 61°F (16.1°C) is recorded during the nights in May.Humidity
The months with the highest humidity are May, August and September, with an average relative humidity of 77%.Rainfall
In Smithfield, during May, the rain falls for 11.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in Smithfield, there are 115.7 rainfall days, and 11.06" (281mm) of precipitation is accumulated.Snowfall
In Smithfield, snow does not fall in March through December.Daylight
In May, the average length of the day is 14h and 3min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:59 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May is 9.5h.UV index
In Smithfield, 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 rays for average individuals.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Smithfield, NC
- Average high temperature in May: 78.3°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 (48.9°F).
- Average low temperature in May: 61°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in May
Smithfield, NC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Smithfield, NC
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Smithfield, NC
- Average humidity in May: 77%
The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in May
Smithfield, NC
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Smithfield, NC
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in May
Smithfield, NC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Smithfield, NC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in May /
Average sunshine in May
Smithfield, NC
- Average daylight in May: 14h and 6min
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 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Smithfield, NC
- Average sunshine days in May: 16.2 days
The month with the most sunshine days is October (22.7 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in May
Smithfield, NC
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Smithfield, NC
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in May
Smithfield, 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).
