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 April transitions into May, Waynesburg sees a rise in the average high-temperature, moving from a comfortable 61.5°F (16.4°C) to an agreeable 72.5°F (22.5°C). Nighttime temperatures in May average to a cool 51.4°F (10.8°C).Humidity
In Waynesburg, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 20.7 days and typically aggregates up to 3.39" (86mm) 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, Waynesburg aggregates 0.12" (3mm) of snow. Throughout the year, there are 56.4 snowfall days, and 20.35" (517mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 24min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:42 pm EDT.
Sunshine
In Waynesburg, the average sunshine in May is 8.8h.UV index
May through July, 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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Waynesburg have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Waynesburg, PA
- Average high temperature in May: 72.5°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 (34.3°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Waynesburg, 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
Waynesburg, PA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Waynesburg, PA
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Waynesburg, PA
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in May
Waynesburg, PA
- Average rainfall days in May: 20.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in May
Waynesburg, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Waynesburg, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Waynesburg, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Waynesburg, PA
- Average sunshine days in May: 8.5 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in May
Waynesburg, PA
- Average UV index in May: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Waynesburg, PA
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Waynesburg, PA
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Waynesburg, Pennsylvania, USA
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