May weather forecastWitmer, PA
May
Weather in May
May, the last month of the spring in Witmer, is an agreeable month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 70.3°F (21.3°C).Temperature
May sees a rise in the average high-temperature, climbing from a moderate 60.1°F (15.6°C) in April to an agreeable 70.3°F (21.3°C). Throughout the May nights, Witmer encounters a low-temperature of 52.3°F (11.3°C).Humidity
The months with the highest humidity are May and October, with an average relative humidity of 81%.Rainfall
In Witmer, in May, it is raining for 17.4 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 158.5 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Witmer aggregates 0.08" (2mm) of snow. In Witmer, during the entire year, snow falls for 24.5 days and aggregates up to 12.99" (330mm) of snow.Daylight
The average length of the day in May is 14h and 25min.On the first day of May in Witmer, sunrise is at 6:03 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:27 pm EDT.
Sunshine
In Witmer, the average sunshine in May is 8.2h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Witmer, PA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in May
Witmer, 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
Witmer, PA
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Witmer, PA
- Average humidity in May: 81%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Witmer, PA
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in May
Witmer, PA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in May
Witmer, PA
- Average snowfall in May: 0.08"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Witmer, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Witmer, PA
- Average daylight in May: 14h and 24min
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 12min
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 30min).
Average sunshine days in May
Witmer, PA
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (12 days).
Average UV index in May
Witmer, 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
Witmer, PA
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Witmer, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).





