Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Welcoming December, Copley observes a shift in the average high-temperature, falling from November's frosty 47.8°F (8.8°C) to a wintry 37.6°F (3.1°C). Copley's temperature drops to an average low of 27.7°F (-2.4°C) during the nights of December.Humidity
The average relative humidity in December in Copley is 84%.Rainfall
In December, the rain falls for 4.9 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 104.9 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
Months with snowfall in Copley are January through May, November and December. In December, it is snowing for 6.5 days. Throughout December, 0.55" (14mm) of snow is accumulated. In Copley, during the entire year, snow falls for 35.5 days and aggregates up to 3.27" (83mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Copley, Ohio, sunrise is at 7:33 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:08 pm EST.
Sunshine
In Copley, the average sunshine in December is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Copley. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 1 transforms into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold does it get in Copley in December?
What is the average humidity in December in Copley?
How much does it rain in Copley in December?
How many days does it snow in December in Copley?
What is the month with the shortest days in Copley?
How many hours of daylight does Copley have in December?
When is the sunrise / sunset in December in Copley?
How long on average sun shines in December in Copley?
What is the month with the lowest UV index in Copley?
What is the UV index intensity in December in Copley?
Average temperature in December
Copley, OH
- Average high temperature in December: 37.6°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 December: 27.7°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 December
Copley, OH
- Average pressure in December: 30.1"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 December
Copley, OH
- Average wind speed in December: 8.5mph
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 December
Copley, OH
- Average humidity in December: 84%
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 December
Copley, OH
- Average rainfall in December: 0.55"
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 December
Copley, OH
- Average rainfall days in December: 4.9 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 December
Copley, OH
- Average snowfall in December: 0.55"
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 December
Copley, OH
- Average snowfall days in December: 6.5 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 December /
Average sunshine in December
Copley, OH
- Average daylight in December: 9h and 2min
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 December: 3h and 2min
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 December
Copley, OH
- Average sunshine days in December: 21.1 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 December
Copley, OH
- Average UV index in December: 1
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 December
Copley, OH
- Average cloud cover in December: 66
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 December
Copley, OH
- Average visibility in December: 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).
Copley, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location