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 onset of May marks a slight increase in the average high-temperature, moving from a refreshing 62.1°F (16.7°C) in April to a pleasant 70.3°F (21.3°C). May generally records an average low-temperature of 50.5°F (10.3°C).Humidity
The average relative humidity in May in Grayson is 79%.Rainfall
In Grayson, North Carolina, in May, during 19.1 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, in Grayson, there are 176.9 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Grayson, North Carolina. May is the last month it regularly snows. During 0.2 snowfall days, in May, Grayson aggregates 0.08" (2mm) of snow. Throughout the year, there are 38.9 snowfall days, and 20.67" (525mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 8min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:15 pm. On the last day of May, sunrise is at 6:09 am and sunset at 8:39 pm EDT.
Sunshine
In Grayson, the average sunshine in May is 9.3h.UV index
The months with the highest UV index in Grayson are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in May in Grayson?
What is the average humidity in May in Grayson?
How many days does it rain in May in Grayson?
What is the last month it snows in Grayson?
What is the average length of the day in May in Grayson?
What time are sunrise and sunset in May in Grayson?
How many hours of sunshine does Grayson have in May?
What is the month with the highest UV index in Grayson?
How high is the UV index in May in Grayson?
Average temperature in May
Grayson, NC
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Grayson, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Grayson, NC
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Grayson, NC
- Average humidity in May: 79%
The months with the highest relative humidity are February, March and December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Grayson, NC
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Grayson, NC
- Average rainfall days in May: 19.1 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in May
Grayson, NC
- Average snowfall in May: 0.08"
The month with the highest snowfall is December (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grayson, NC
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grayson, 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 month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Grayson, NC
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in May
Grayson, NC
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Grayson, NC
- Average cloud cover in May: 43
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June, July and August (Cloud cover 37).
Average visibility in May
Grayson, NC
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Grayson, North Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
