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
May witnesses an increase in the average high-temperature, moving from a mild 15.7°C (60.3°F) in April to a pleasant 21.3°C (70.3°F). Throughout May, the average low-temperature records at a fresh 11.5°C (52.7°F).Humidity
May and October, with an average relative humidity of 81%, are the most humid months.Rainfall
In Coatesville, during May, the rain falls for 15.9 days and regularly aggregates up to 47mm (1.85") of precipitation. In Coatesville, during the entire year, the rain falls for 138.3 days and collects up to 502mm (19.76") of precipitation.Snowfall
January through May, October through December are months with snowfall in Coatesville, Pennsylvania. May is the last month it regularly snows. During 0.1 snowfall days, in May, Coatesville aggregates 3mm (0.12") of snow. Throughout the year, there are 19.6 snowfall days, and 194mm (7.64") of snow is accumulated.Daylight
In May, the average length of the day is 14h and 25min.On the first day of May, 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 May, the average sunshine is 8.1h.UV index
The months with the highest UV index in Coatesville are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Coatesville, PA
- Average high temperature in May: 21.3°C
The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in May: 11.5°C
The month with the highest average low temperature is July (18.8°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in May
Coatesville, PA
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is November (1020.2mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).
Average wind speed in May
Coatesville, PA
- Average wind speed in May: 10.7km/h
The windiest months (with the highest average wind speed) are January, February and March (14.1km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in May
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
Coatesville, PA
- Average rainfall in May: 47mm
The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is February (29mm).
Average rainfall days in May
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
Coatesville, PA
- Average snowfall in May: 3mm
The month with the highest snowfall is March (59mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
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
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
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
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
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
Coatesville, PA
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (9km).
The months with the lowest visibility are May and September (8km).
Coatesville, Pennsylvania, USA
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