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
May's onset brings a subtle temperature rise, moving from an agreeable 71.4°F (21.9°C) in April to a moderately hot 79°F (26.1°C). Delco reports an average nighttime low-temperature of 64.9°F (18.3°C) in May.Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 13.5 days. Throughout May, 1.69" (43mm) of precipitation is accumulated. In Delco, during the entire year, the rain falls for 141.7 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In Delco, the average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:57 pm. On the last day of May, sunrise is at 6:01 am and sunset at 8:19 pm EDT.
Sunshine
In May, the average sunshine is 10h.UV index
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days 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 many hours of sunshine does Delco have in May?
What is the UV index intensity in May?
Average temperature in May
Delco, NC
- Average high temperature in May: 79°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in May: 64.9°F
The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in May
Delco, NC
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Delco, NC
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Delco, NC
- Average humidity in May: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January, February and March (74%).
Average rainfall in May
Delco, NC
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in May
Delco, NC
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in May
Delco, NC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Delco, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.4 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
Delco, NC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Delco, NC
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in May
Delco, NC
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Delco, NC
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Delco, 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).
Delco, North Carolina, USA
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