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 Penryn transitions into May, the average high-temperature is observed to rise from a mild 59.9°F (15.5°C) in April to a pleasant 70.2°F (21.2°C). In Penryn, the expected average low-temperature for May is a cool 52.2°F (11.2°C).Humidity
The most humid month in Penryn, Pennsylvania, is May, with an average relative humidity of 81%.Rainfall
In May, the rain falls for 17.1 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 161.8 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Penryn. May is the last month it regularly snows in Penryn. During 0.1 snowfall days, in May, Penryn aggregates 0.04" (1mm) of snow. In Penryn, during the entire year, snow falls for 24.1 days and aggregates up to 11.93" (303mm) of snow.Daylight
In Penryn, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:28 pm EDT.
Sunshine
In May, the average sunshine in Penryn, Pennsylvania, is 8.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Penryn?
What is the most humid month in Penryn?
What is the average humidity in May in Penryn?
How much does it rain in Penryn in May?
What is the last month it snows in Penryn?
How many hours of daylight does Penryn have in May?
When is the sunrise / sunset in May in Penryn?
How many hours of sunshine does Penryn have in May?
What is the UV index reading in May in Penryn?
Average temperature in May
Penryn, PA
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Penryn, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Penryn, PA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Penryn, PA
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Penryn, PA
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in May
Penryn, PA
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in May
Penryn, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Penryn, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (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
Penryn, PA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Penryn, PA
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is November (17.8 days).
The months with the least sunshine days are May and July (11.6 days).
Average UV index in May
Penryn, PA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Penryn, PA
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Penryn, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Penryn, Pennsylvania, USA
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