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 start of May brings a rise in the average high-temperature, moving from a mild 57.9°F (14.4°C) in April to an agreeable 68.7°F (20.4°C). During May, Greenback witnesses a consistent average low-temperature of 49.5°F (9.7°C).Humidity
In May, the average relative humidity in Greenback is 81%.Rainfall
In Greenback, in May, it is raining for 9.4 days, with typically 0.71" (18mm) of accumulated precipitation. In Greenback, during the entire year, the rain falls for 78.5 days and collects up to 6.57" (167mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 6:03 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In Greenback, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Greenback have in May?
What time are sunrise and sunset in May in Greenback?
How many hours of sunshine does Greenback have in May?
How high is the UV index in May?
Average temperature in May
Greenback, PA
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Greenback, 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
Greenback, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Greenback, PA
- Average humidity in May: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in May
Greenback, PA
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is July (0.79").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in May
Greenback, PA
- Average rainfall days in May: 9.4 days
The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in May
Greenback, PA
- Average snowfall in May: 0"
The months with the highest snowfall are January, February and March (0.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Greenback, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Greenback, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in May
Greenback, PA
- Average sunshine days in May: 17.6 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is July (16.5 days).
Average UV index in May
Greenback, PA
- Average UV index in May: 5
The month with the highest UV index is June (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
Greenback, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Greenback, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
Greenback, Pennsylvania, USA
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