May weather forecastPercy, PA
May
Weather in May
The last month of the spring, May, is an agreeable month in Percy, Pennsylvania, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 50.2°F (10.1°C).Temperature
Percy sees a rise in temperature during May, with average high-temperatures transitioning from a moderate 59.9°F (15.5°C) in April to a pleasant 70.7°F (21.5°C). Percy experiences a steady low-temperature of 50.2°F (10.1°C) throughout May.Humidity
In Percy, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.1 days and accumulates 1.97" (50mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Percy aggregates 0.24" (6mm) of snow. Throughout the year, there are 58.2 snowfall days, and 17.44" (443mm) of snow is accumulated.Daylight
In Percy, the average length of the day in May is 14h and 24min.On the first day of May, sunrise is at 6:17 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:40 pm EDT.
Sunshine
In Percy, Pennsylvania, the average sunshine in May is 8.6h.UV index
In Percy, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Percy, PA
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 50.2°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Percy, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Percy, PA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Percy, PA
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in May
Percy, PA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").
Average rainfall days in May
Percy, PA
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in May
Percy, PA
- Average snowfall in May: 0.24"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Percy, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Percy, PA
- Average daylight in May: 14h and 24min
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 36min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Percy, PA
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).
Average UV index in May
Percy, PA
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Percy, PA
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Percy, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).
