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
The shift into May is accompanied by a modest temperature increase, with the average high-temperature edging up from a pleasant 70.3°F (21.3°C) in April to a moderately hot 78.3°F (25.7°C). During May, the temperature in Clayton tends to dip to an average of 61°F (16.1°C) at night.Humidity
May, August and September, with an average relative humidity of 77%, are the most humid months in Clayton, North Carolina.Rainfall
In Clayton, during May, the rain falls for 14.2 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Clayton, during the entire year, the rain falls for 131 days and collects up to 13.9" (353mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In May, the average length of the day in Clayton is 14h and 4min.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, in Clayton, sunrise is at 5:59 am and sunset at 8:23 pm EDT.
Sunshine
In Clayton, the average sunshine in May is 9.5h.UV index
In Clayton, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 6 during May translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Clayton in May?
What are the most humid months in Clayton?
What is the average humidity in May in Clayton?
How much does it rain in Clayton in May?
When it does not snow in Clayton?
What is the average length of the day in May in Clayton?
What time are sunrise and sunset in May in Clayton?
How long on average sun shines in May in Clayton?
What is the UV index reading in May in Clayton?
Average temperature in May
Clayton, 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 (48.4°F).
- Average low temperature in May: 61°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in May
Clayton, 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
Clayton, NC
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Clayton, 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
Clayton, NC
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Clayton, NC
- Average rainfall days in May: 14.2 days
The months with the highest number of rainy days are July and August (15.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in May
Clayton, NC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Clayton, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Clayton, NC
- Average daylight in May: 14h and 1min
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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Clayton, NC
- Average sunshine days in May: 14.4 days
The months with the most sunshine days are October and November (22.1 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in May
Clayton, 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
Clayton, NC
- Average cloud cover in May: 38
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in May
Clayton, 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).
Clayton, North Carolina, USA
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