Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the onset of May, the average high-temperature subtly transitions from an enjoyable 66.6°F (19.2°C) in April to a moderately hot 75.2°F (24°C). An average low-temperature of 60.3°F (15.7°C) is observed during May nights.Humidity
The average relative humidity in May is 77%.Rainfall
In Smithfield, Virginia, in May, during 17.3 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 161.5 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Snowfall
In Smithfield, snow does not fall in April through October.Daylight
In Smithfield, the average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:20 pm EDT.
Sunshine
In Smithfield, the average sunshine in May is 9.4h.UV index
In Smithfield, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 6 in May leads to these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Smithfield, VA
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in May: 60.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in May
Smithfield, VA
- 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
Smithfield, VA
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in May
Smithfield, VA
- Average humidity in May: 77%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Smithfield, VA
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (2.52").
Average rainfall days in May
Smithfield, VA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in May
Smithfield, VA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Smithfield, VA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (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
Smithfield, VA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in May
Smithfield, VA
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in May
Smithfield, VA
- Average UV index in May: 6
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Smithfield, VA
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Smithfield, VA
- 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).
Smithfield, Virginia, USA
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