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
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's refreshing 61.2°F (16.2°C) to an agreeable 71.2°F (21.8°C). Greenbrook experiences a steady low-temperature of 53.8°F (12.1°C) throughout May.Humidity
The average relative humidity in May in Greenbrook, Pennsylvania, is 76%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. In Greenbrook, during the entire year, the rain falls for 154.4 days and collects up to 31.38" (797mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Greenbrook, Pennsylvania. May is the last month it regularly snows. During 0.1 snowfall days, in May, Greenbrook aggregates 0.24" (6mm) of snow. Throughout the year, in Greenbrook, there are 15.9 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In May, the average length of the day in Greenbrook is 14h and 25min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:22 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Greenbrook in May?
What is the average humidity in May in Greenbrook?
How much does it rain in Greenbrook in May?
What is the last month it snows in Greenbrook?
What is the average length of the day in May in Greenbrook?
What time are sunrise and sunset in May in Greenbrook?
How many hours of sunshine does Greenbrook have in May?
When is the highest UV index in Greenbrook?
What is the UV index intensity in May in Greenbrook?
Average temperature in May
Greenbrook, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Greenbrook, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Greenbrook, PA
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Greenbrook, PA
- Average humidity in May: 76%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Greenbrook, PA
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Greenbrook, PA
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in May
Greenbrook, PA
- Average snowfall in May: 0.24"
The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Greenbrook, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Greenbrook, 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 4min
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 48min).
Average sunshine days in May
Greenbrook, PA
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in May
Greenbrook, PA
- Average UV index in May: 6
The months with the highest UV index are May, June, July 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
Greenbrook, PA
- Average cloud cover in May: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Greenbrook, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Greenbrook, Pennsylvania, USA
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