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 sea temperature 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 arrival in Oak Island coincides with a subtle temperature rise, moving from April's agreeable 69.4°F (20.8°C) to a warm 76.8°F (24.9°C). A mild drop to an average of 67.8°F (19.9°C) marks the nights in Oak Island during May.Humidity
In May, the average relative humidity in Oak Island is 77%.Rainfall
In Oak Island, in May, it is raining for 14.8 days, with typically 2.28" (58mm) of accumulated precipitation. In Oak Island, during the entire year, the rain falls for 157.9 days and collects up to 24.69" (627mm) of precipitation.Snowfall
February through December are months without snowfall.Ocean temperature
In May, the average ocean temperature in Oak Island is 70.3°F (21.3°C).Note: In water with a temperature of 70.3°F (21.3°C), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Oak Island, the average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:56 pm. On the last day of May, sunrise is at 6:02 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 during May translates into the following guidance:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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 much does it rain in May?
When it does not snow?
What is the ocean temperature in May?
How many hours of daylight does Oak Island have 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
Oak Island, NC
- Average high temperature in May: 76.8°F
The warmest months (with the highest average high temperature) are July and August (85.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in May: 67.8°F
The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).
Average pressure in May
Oak Island, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Oak Island, NC
- Average wind speed in May: 10.4mph
The windiest month (with the highest average wind speed) is February (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in May
Oak Island, NC
- Average humidity in May: 77%
The month with the highest relative humidity is June (78%).
The months with the lowest relative humidity are January, March, October and November (74%).
Average rainfall in May
Oak Island, NC
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in May
Oak Island, NC
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in May
Oak Island, NC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Oak Island, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Oak Island, NC
- Average sea temperature in May: 70.3°F
The best month for swimming (with the highest average sea temperature) is August (82.7°F).
The coldest month (with the lowest average sea temperature) is March (56°F).
Average daylight in May /
Average sunshine in May
Oak Island, NC
- Average daylight in May: 13h and 5min
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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Oak Island, NC
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in May
Oak Island, 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
Oak Island, 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 26).
Average visibility in May
Oak Island, 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).
Oak Island, North Carolina, USA
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