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 mild 59.5°F (15.3°C) to a pleasant 69.4°F (20.8°C). Wernersville's nighttime temperature in May drops to an average of 51.3°F (10.7°C).Humidity
The average relative humidity in May is 80%.Rainfall
In Wernersville, during May, the rain falls for 17.7 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 158.3 rainfall days, and 29.76" (756mm) of precipitation is accumulated.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, Wernersville aggregates 0.08" (2mm) of snow. Throughout the year, there are 26.5 snowfall days, and 12.64" (321mm) of snow is accumulated.Daylight
In Wernersville, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:27 pm EDT.
Sunshine
In Wernersville, Pennsylvania, the average sunshine in May is 8.3h.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 threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, an average UV index of 6 transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. 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 May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Wernersville have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Wernersville, PA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in May
Wernersville, 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
Wernersville, PA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Wernersville, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Wernersville, PA
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Wernersville, PA
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Wernersville, PA
- Average snowfall in May: 0.08"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wernersville, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wernersville, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Wernersville, PA
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in May
Wernersville, 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, March, November and December (UV index 2).
Average cloud cover in May
Wernersville, PA
- Average cloud cover in May: 48
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Wernersville, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Wernersville, Pennsylvania, USA
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