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
May signals a shift in the average high-temperature, moving from April's enjoyable 61.3°F (16.3°C) to a pleasant 72.1°F (22.3°C). Green Hills usually reports an average low-temperature of 51.4°F (10.8°C) during the month of May.Humidity
The average relative humidity in May is 79%.Rainfall
In Green Hills, in May, it is raining for 17.2 days, with typically 1.61" (41mm) of accumulated precipitation. In Green Hills, during the entire year, the rain falls for 143 days and collects up to 14.8" (376mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Green Hills aggregates 0.04" (1mm) of snow. In Green Hills, during the entire year, snow falls for 33.5 days and aggregates up to 4.88" (124mm) of snow.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:43 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
The average daily maximum UV index in May in Green Hills, Pennsylvania, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows in Green Hills?
How many hours of daylight does Green Hills have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Green Hills, PA
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in May
Green Hills, 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
Green Hills, PA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Green Hills, PA
- Average humidity in May: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Green Hills, PA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is July (1.65").
The driest months (with the least rainfall) are January and November (0.94").
Average rainfall days in May
Green Hills, PA
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in May
Green Hills, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Green Hills, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Green Hills, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Green Hills, PA
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Green Hills, PA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Green Hills, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Green Hills, PA
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Green Hills, Pennsylvania, USA
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