May weather forecastCopley, OH
May
Weather in May
May, the last month of the spring in Copley, is a pleasant month, with an average temperature fluctuating between 68.7°F (20.4°C) and 50.7°F (10.4°C).Temperature
In Copley, the onset of May comes with an increased average high-temperature, moving from April's refreshing 56.8°F (13.8°C) to a pleasant 68.7°F (20.4°C). Copley records an average nighttime low-temperature of 50.7°F (10.4°C) throughout May.Humidity
In Copley, the average relative humidity in May is 77%.Rainfall
In Copley, in May, during 12.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 104.9 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Copley aggregates 0.04" (1mm) of snow. Throughout the year, there are 35.5 snowfall days, and 3.27" (83mm) of snow is accumulated.Daylight
In Copley, the average length of the day in May is 14h and 30min.On the first day of May, sunrise is at 6:23 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:52 pm EDT.
Sunshine
In Copley, the average sunshine in May is 8.8h.UV index
In Copley, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In May, a regular UV index of 5 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Copley, OH
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Copley, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Copley, OH
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in May
Copley, OH
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Copley, OH
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is July (0.94").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in May
Copley, OH
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is January (4 days).
Average snowfall in May
Copley, OH
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Copley, OH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Copley, OH
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in May
Copley, OH
- Average sunshine days in May: 14 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (14 days).
Average UV index in May
Copley, OH
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Copley, OH
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Copley, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





