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
As April transitions into May, a change in temperatures is observed, with average highs moving from a comfortable 62.4°F (16.9°C) to an agreeable 71.6°F (22°C). A striking departure from daytime highs to an average low-temperature of 50°F (10°C) is witnessed in Glen Lyn, Virginia, during May.Humidity
The average relative humidity in May in Glen Lyn is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 2.8" (71mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Glen Lyn. During 0.3 snowfall days, in May, Glen Lyn aggregates 0.2" (5mm) of snow. In Glen Lyn, during the entire year, snow falls for 26.7 days and aggregates up to 13.46" (342mm) of snow.Daylight
In May, the average length of the day in Glen Lyn is 14h and 11min.On the first day of May, sunrise is at 6:27 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:38 pm EDT.
Sunshine
In Glen Lyn, Virginia, the average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May in Glen Lyn, Virginia, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the UV index of 5 transforms into the following advice:
Take precautions - Protection against sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Glen Lyn?
What is the average humidity in May in Glen Lyn?
What is the rainiest month in Glen Lyn?
How many days does it rain in May in Glen Lyn?
What is the last month it snows in Glen Lyn?
What is the average length of the day in May in Glen Lyn?
When is the sunrise / sunset in May in Glen Lyn?
How many hours of sunshine does Glen Lyn have in May?
What is the UV index reading in May in Glen Lyn?
Average temperature in May
Glen Lyn, VA
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Glen Lyn, VA
- 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
Glen Lyn, VA
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Glen Lyn, VA
- Average humidity in May: 80%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June, July and November (77%).
Average rainfall in May
Glen Lyn, VA
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
Glen Lyn, VA
- 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 October (8.8 days).
Average snowfall in May
Glen Lyn, VA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glen Lyn, VA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glen Lyn, VA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Glen Lyn, VA
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in May
Glen Lyn, VA
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Glen Lyn, VA
- Average cloud cover in May: 45
The months with the most cloud cover are January and February (Cloud cover 56).
The months with the least cloud cover are June and July (Cloud cover 38).
Average visibility in May
Glen Lyn, VA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Glen Lyn, Virginia, USA
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