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
An increase in the average high-temperature marks May, moving from April's enjoyable 61°F (16.1°C) to an agreeable 71.2°F (21.8°C). Newtown Square's temperature drops to an average low of 53.8°F (12.1°C) during the nights of May.Humidity
The average relative humidity in May is 76%.Rainfall
In Newtown Square, in May, during 15.1 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Newtown Square, during the entire year, the rain falls for 138.1 days and collects up to 20.79" (528mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Newtown Square aggregates 0.2" (5mm) of snow. In Newtown Square, during the entire year, snow falls for 19.3 days and aggregates up to 7.68" (195mm) of snow.Daylight
In Newtown Square, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
The months with the highest UV index in Newtown Square are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Newtown Square have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Newtown Square have in May?
When is the highest UV index?
How high is the UV index in May in Newtown Square?
Average temperature in May
Newtown Square, PA
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Newtown Square, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Newtown Square, PA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Newtown Square, PA
- Average humidity in May: 76%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in May
Newtown Square, PA
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is August (2.72").
The driest months (with the least rainfall) are January, February and November (1.3").
Average rainfall days in May
Newtown Square, PA
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Newtown Square, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Newtown Square, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Newtown Square, 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 1min
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
Newtown Square, PA
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in May
Newtown Square, 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, March, November and December (UV index 2).
Average cloud cover in May
Newtown Square, PA
- Average cloud cover in May: 49
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
Newtown Square, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Newtown Square, Pennsylvania, USA
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