December weather forecastCopper Hill, VA
December
Weather in December
December, the first month of the winter in Copper Hill, is still a chilly month, with an average temperature fluctuating between 46.2°F (7.9°C) and 32°F (0°C).Temperature
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a fresh 54.5°F (12.5°C) in November to a frosty 46.2°F (7.9°C). Copper Hill experiences an average low-temperature reading of 32°F (0°C) throughout December.Humidity
May, September and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Copper Hill, in December, during 8.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Copper Hill, there are 146.5 rainfall days, and 21.57" (548mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Copper Hill, in December, during 1.6 snowfall days, 1.42" (36mm) of snow is typically accumulated. Throughout the year, there are 11.8 snowfall days, and 7.95" (202mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 5:03 pm. On the last day of December, in Copper Hill, sunrise is at 7:33 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in December is 5.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Copper Hill, VA
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Copper Hill, VA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Copper Hill, VA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Copper Hill, VA
- Average humidity in December: 77%
The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Copper Hill, VA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Copper Hill, VA
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (7 days).
Average snowfall in December
Copper Hill, VA
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Copper Hill, VA
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Copper Hill, VA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Copper Hill, VA
- Average sunshine days in December: 21 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Copper Hill, VA
- Average UV index in December: 2
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, November and December (UV index 2).
Average cloud cover in December
Copper Hill, VA
- Average cloud cover in December: 42
The months with the most cloud cover are February and March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Copper Hill, VA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July and November (6mi).
The months with the lowest visibility are January, February, May, August, September, October and December (5mi).
