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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a wintry 38.1°F (3.4°C) in November to a freezing cold 27.7°F (-2.4°C). December nights in Copper City reveal a minor deviation from daytime highs, with a mean low-temperature of 21.4°F (-5.9°C).Humidity
In December, the average relative humidity in Copper City is 84%.Rainfall
In Copper City, in December, during 5.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Copper City, Michigan, there are 120.3 rainfall days, and 22.28" (566mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Copper City, Michigan. The month with the most snowfall in Copper City, Michigan, is December, when snow falls for 20.7 days and typically aggregates up to 7.8" (198mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of December in Copper City, sunrise is at 8:20 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in December is 1.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Copper City. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Copper City in December?
What is the average humidity in December in Copper City?
How much does it rain in Copper City in December?
What is the snowiest month in Copper City?
How much does it snow in Copper City in December?
What is the month with the shortest days in Copper City?
How many hours of daylight does Copper City have in December?
When are sunrise and sunset in December in Copper City?
How long on average sun shines in December in Copper City?
What are the months with the lowest UV index in Copper City?
What is the UV index reading in December in Copper City?
Average temperature in December
Copper City, MI
- Average high temperature in December: 27.7°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Copper City, MI
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Copper City, MI
- Average wind speed in December: 12.6mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is June (7.7mph).
Average humidity in December
Copper City, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Copper City, MI
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is October (2.4").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in December
Copper City, MI
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is September (14.5 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in December
Copper City, MI
- Average snowfall in December: 7.8"
The month with the highest snowfall is December (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Copper City, MI
- Average snowfall days in December: 20.7 days
The month with the highest number of snowfall days is January (23 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Copper City, MI
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 1h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days in December
Copper City, MI
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is July (16.4 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in December
Copper City, MI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Copper City, MI
- Average cloud cover in December: 82
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Copper City, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Copper City, Michigan, USA
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