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 moderate 60.3°F (15.7°C) to a pleasant 70.3°F (21.3°C). South Coatesville in May experiences a low-temperature average of 52.7°F (11.5°C).Humidity
The months with the highest humidity are May and October, with an average relative humidity of 81%.Rainfall
In May, in South Coatesville, the rain falls for 15.9 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 138.3 rainfall days, and 19.76" (502mm) 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, South Coatesville aggregates 0.12" (3mm) of snow. In South Coatesville, Pennsylvania, during the entire year, snow falls for 19.6 days and aggregates up to 7.64" (194mm) of snow.Daylight
In South Coatesville, the average length of the day in May is 14h and 24min.On the first day of May in South Coatesville, sunrise is at 6:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:25 pm EDT.
Sunshine
In South Coatesville, Pennsylvania, the average sunshine in May is 8.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in South Coatesville. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during May translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for South Coatesville in May?
What is the most humid month in South Coatesville?
What is the average humidity in May in South Coatesville?
How many days does it rain in May in South Coatesville?
What is the last month it snows in South Coatesville?
What is the average length of the day in May in South Coatesville?
What time are sunrise and sunset in May in South Coatesville?
How many hours of sunshine does South Coatesville have in May?
What are the months with the highest UV index in South Coatesville?
How high is the UV index in May in South Coatesville?
Average temperature in May
South Coatesville, PA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
South Coatesville, 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
South Coatesville, PA
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
South Coatesville, 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
South Coatesville, PA
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in May
South Coatesville, PA
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in May
South Coatesville, PA
- Average snowfall in May: 0.12"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Coatesville, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Coatesville, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
South Coatesville, PA
- Average sunshine days in May: 13 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in May
South Coatesville, 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
South Coatesville, 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
South Coatesville, 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).
South Coatesville, Pennsylvania, USA
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