May weather forecastKnotts Island, NC
May
Weather in May
May, the last month of the spring in Knotts Island, is a pleasant month, with an average temperature ranging between min 62.1°F (16.7°C) and max 71.2°F (21.8°C).Temperature
The onset of May marks a slight increase in the average high-temperature, moving from a comfortable 62.4°F (16.9°C) in April to a pleasant 71.2°F (21.8°C). Knotts Island experiences a mean temperature of 62.1°F (16.7°C) during May nights.Humidity
With an average relative humidity of 79%, May is the most humid month.Rainfall
In May, the rain falls for 13.2 days. Throughout May, 1.18" (30mm) of precipitation is accumulated. Throughout the year, in Knotts Island, there are 134.5 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Knotts Island.Daylight
In May, the average length of the day is 14h and 8min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:16 pm EDT.
Sunshine
In May, the average sunshine in Knotts Island is 9.7h.UV index
In May, the average daily maximum UV index in Knotts Island, North Carolina, is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total 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
Average temperature in May
Knotts Island, NC
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in May: 62.1°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).
Average pressure in May
Knotts Island, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Knotts Island, NC
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is March (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in May
Knotts Island, NC
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in May
Knotts Island, NC
- Average rainfall in May: 1.18"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is November (0.75").
Average rainfall days in May
Knotts Island, NC
- Average rainfall days in May: 13.2 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Knotts Island, NC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Knotts Island, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Knotts Island, NC
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in May
Knotts Island, NC
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in May
Knotts Island, 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, March, November and December (UV index 3).
Average cloud cover in May
Knotts Island, NC
- Average cloud cover in May: 35
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in May
Knotts 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).





