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
A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a pleasant 69.1°F (20.6°C) to a moderately hot 76.6°F (24.8°C). May brings an average low-temperature of 59.2°F (15.1°C) to Gretna Green.Humidity
The most humid month in Gretna Green is May, with an average relative humidity of 79%.Rainfall
In Gretna Green, during May, the rain falls for 17.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Gretna Green, there are 156.2 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
In Gretna Green, snow does not fall in April through October.Daylight
In Gretna Green, the average length of the day in May is 14h and 7min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:59 pm. On the last day of May, in Gretna Green, sunrise is at 5:54 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine in Gretna Green is 9.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in May leads to these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the usual temperature for Gretna Green in May?
What is the most humid month in Gretna Green?
What is the average humidity in May in Gretna Green?
How much does it rain in Gretna Green in May?
When it does not snow in Gretna Green?
What is the average length of the day in May in Gretna Green?
When are sunrise and sunset in May in Gretna Green?
How long on average sun shines in May in Gretna Green?
When is the highest UV index in Gretna Green?
What is the UV index intensity in May in Gretna Green?
Average temperature in May
Gretna Green, NC
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in May: 59.2°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in May
Gretna Green, NC
- Average pressure in May: 30.02"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
Gretna Green, 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 (5.5mph).
Average humidity in May
Gretna Green, NC
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, April, July and November (74%).
Average rainfall in May
Gretna Green, NC
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is October (1.85").
Average rainfall days in May
Gretna Green, NC
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in May
Gretna Green, NC
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Gretna Green, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Gretna Green, NC
- Average daylight in May: 14h and 1min
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 2min
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
Gretna Green, NC
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in May
Gretna Green, NC
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Gretna Green, NC
- Average cloud cover in May: 39
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 31).
Average visibility in May
Gretna Green, 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).
Gretna Green, North Carolina, USA
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