January weather forecast
Copper Harbor, MI

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A colorful lighthouse of the Copper Harbor, Michigan, with a stunning waterfront full of pebbles and rocks
A colorful lighthouse of the Copper Harbor, Michigan, with a stunning waterfront full of pebbles and rocks

Weather in January

Copper Harbor's weather in January is striking for its snow and cold temperatures, with a high potential for frostbite if one is not properly shielded. With a high of 24.3°F (-4.3°C), the month is among the chilliest in the year. Comparatively cooler than December, the shift into the new year comes with lower and more intense temperatures despite shorter sunlit hours. However, weather conditions here begin to simmer down in February even as winter persists.

Temperature

Copper Harbor's coldest month, January, registers temperatures that range from a high of 24.3°F (-4.3°C) to a low of 17.8°F (-7.9°C).

Humidity

January and July, with an average relative humidity of 85%, are the most humid months.

Rainfall

In Copper Harbor, Michigan, in January, it is raining for 2.4 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 116.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Copper Harbor are January through May, October through December. In Copper Harbor, in January, snow falls for 17.3 days, with typically accumulated 3.7" (94mm) of snow. Throughout the year, there are 80 snowfall days, and 19.29" (490mm) of snow is accumulated.

Daylight

In January, the average length of the day in Copper Harbor is 8h and 58min.
On the first day of the month, sunrise is at 8:39 am and sunset at 5:10 pm. On the last day of January, in Copper Harbor, sunrise is at 8:19 am and sunset at 5:50 pm EST.

Sunshine

The month with the least sunshine in Copper Harbor is January, with an average of 1.2h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 1 in January leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What part of the year is the coldest in Copper Harbor?

Copper Harbor reaches its average lowest temperatures in January, measuring 24.3°F (-4.3°C) at the peak and 17.8°F (-7.9°C) at the lowest.

How cold is it in Copper Harbor in January?

In Copper Harbor, 24.3°F (-4.3°C) is the average high-temperature and 17.8°F (-7.9°C) is the average low-temperature during January.

What are the most humid months in Copper Harbor?

The months with the highest humidity are January and July, with an average relative humidity of 85%.

What is the average humidity in January in Copper Harbor?

In January, the average relative humidity is 85%.

How much does it rain in Copper Harbor in January?

In Copper Harbor, during January, the rain falls for 2.4 days and regularly aggregates up to 1.69" (43mm) of precipitation.

How many days does it snow in January in Copper Harbor?

In Copper Harbor, during January, snow falls for 17.3 days and regularly aggregates up to 3.7" (94mm) of snow.

How many hours of daylight does Copper Harbor have in January?

In Copper Harbor, the average day length in January is 8h and 58min.

When are sunrise and sunset in January in Copper Harbor?

In January, on the first day of the month, sunrise is at 8:39 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 5:50 pm EST.

What is the month with the least sunshine in Copper Harbor?

The month with the least sunshine in Copper Harbor, Michigan, is January, with an average of 1.2h of sunshine.

How many hours of sunshine does Copper Harbor have in January?

In January, the average sunshine duration in Copper Harbor, Michigan, is 1.2h.

What are the months with the lowest UV index in Copper Harbor?

The months with the lowest UV index in Copper Harbor are January through March, November and December, with an average maximum UV index of 1.

How high is the UV index in January in Copper Harbor?

In Copper Harbor, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Copper Harbor, MI

Average temperature in January - Copper Harbor, MI
  • Average high temperature in January: 24.3°F

The warmest month (with the highest average high temperature) is August (62.6°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in January: 17.8°F

The month with the highest average low temperature is August (57.6°F).
The coldest month (with the lowest average low temperature) is February (17.2°F).

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Average pressure in January
Copper Harbor, MI

Average pressure in January - Copper Harbor, MI
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The months with the lowest atmospheric pressure are June and July (29.92"Hg).

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Average wind speed in January
Copper Harbor, MI

Average wind speed in January - Copper Harbor, MI
  • Average wind speed in January: 17.8mph

The windiest month (with the highest average wind speed) is January (17.8mph).
The calmest month (with the lowest average wind speed) is July (10mph).

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Average humidity in January
Copper Harbor, MI

Average humidity in January - Copper Harbor, MI
  • Average humidity in January: 85%

The months with the highest relative humidity are January and July (85%).
The months with the lowest relative humidity are October and November (78%).

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Average rainfall in January
Copper Harbor, MI

Average rainfall in January - Copper Harbor, MI
  • Average rainfall in January: 1.69"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (1.46").

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Average rainfall days in January
Copper Harbor, MI

Average rainfall days in January - Copper Harbor, MI
  • Average rainfall days in January: 2.4 days

The month with the highest number of rainy days is October (15.7 days).
The month with the least rainy days is February (1.4 days).

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Average snowfall in January
Copper Harbor, MI

Average snowfall in January - Copper Harbor, MI
  • Average snowfall in January: 3.7"

The month with the highest snowfall is December (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Copper Harbor, MI

Average snowfall days in January - Copper Harbor, MI
  • Average snowfall days in January: 17.3 days

The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Copper Harbor, MI

Average daylight in January / Average sunshine in January - Copper Harbor, MI
  • Average daylight in January: 9h and 0min

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 January: 1h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 12min).

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Average sunshine days in January
Copper Harbor, MI

Average sunshine days in January - Copper Harbor, MI
  • Average sunshine days in January: 3.8 days

The months with the most sunshine days are July and August (16.7 days).
The month with the least sunshine days is January (3.8 days).

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Average UV index in January
Copper Harbor, MI

Average UV index in January - Copper Harbor, MI
  • Average UV index in January: 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, March, November and December (UV index 1).

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Average cloud cover in January
Copper Harbor, MI

Average cloud cover in January - Copper Harbor, MI
  • Average cloud cover in January: 89

The month with the most cloud cover is January (Cloud cover 89).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in January
Copper Harbor, MI

Average visibility in January - Copper Harbor, MI
  • Average visibility in January: 4mi

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 and December (4mi).

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Copper Harbor, Michigan, USA

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