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
Glen Lyon's transition into May sees a rise in the average high-temperature, advancing from a refreshing 55.6°F (13.1°C) in April to an enjoyable 67.6°F (19.8°C). During May, Glen Lyon witnesses a consistent average low-temperature of 47.8°F (8.8°C).Humidity
In May, the average relative humidity is 80%.Rainfall
In May, in Glen Lyon, the rain falls for 19.1 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 162.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Glen Lyon. During 0.3 snowfall days, in May, Glen Lyon aggregates 0.24" (6mm) of snow. Throughout the year, in Glen Lyon, there are 41.1 snowfall days, and 21.38" (543mm) of snow is accumulated.Daylight
In May, the average length of the day in Glen Lyon is 14h and 31min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:30 pm EDT.
Sunshine
The average sunshine in May in Glen Lyon is 8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in May translates into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What are May temperatures in Glen Lyon?
What is the average humidity in May in Glen Lyon?
How much does it rain in Glen Lyon in May?
What is the last month it snows in Glen Lyon?
What is the average length of the day in May in Glen Lyon?
When are sunrise and sunset in May in Glen Lyon?
How many hours of sunshine does Glen Lyon have in May?
What are the months with the highest UV index in Glen Lyon?
How high is the UV index in May in Glen Lyon?
Average temperature in May
Glen Lyon, PA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Glen Lyon, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Glen Lyon, PA
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Glen Lyon, PA
- Average humidity in May: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in May
Glen Lyon, PA
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").
Average rainfall days in May
Glen Lyon, PA
- Average rainfall days in May: 19.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in May
Glen Lyon, PA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glen Lyon, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.7 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 Lyon, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in May
Glen Lyon, PA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in May
Glen Lyon, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Glen Lyon, PA
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Glen Lyon, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Glen Lyon, Pennsylvania, USA
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