Climate and monthly weather forecast
Copper Harbor, MI

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

January, the same as December, in Copper Harbor, Michigan, is a freezing cold winter month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 17.8°F (-7.9°C). With an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 17.8°F (-7.9°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Copper Harbor, is another freezing cold month, with temperature in the range of an average high of 24.4°F (-4.2°C) and an average low of 17.2°F (-8.2°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 24.4°F (-4.2°C). Weather in February »

Weather in March

The first month of the spring, March, is also a subzero cold month in Copper Harbor, Michigan, with an average temperature fluctuating between 24.6°F (-4.1°C) and 30.6°F (-0.8°C). In Copper Harbor, Michigan, the average high-temperature in March slightly increases from 24.4°F (-4.2°C) in February to a still subzero cold 30.6°F (-0.8°C). Weather in March »

Weather in April

April in Copper Harbor, Michigan, is a cold spring month, with an average temperature varying between 31.8°F (-0.1°C) and 37°F (2.8°C). In April, the average high-temperature marginally rises from a subzero cold 30.6°F (-0.8°C) in March to a wintry 37°F (2.8°C). Weather in April »

Weather in May

May, the last month of the spring in Copper Harbor, is a frosty month, with an average temperature varying between 44.4°F (6.9°C) and 38.7°F (3.7°C). In Copper Harbor, the average high-temperature in May slightly increases from a cold 37°F (2.8°C) in April to a frosty 44.4°F (6.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a fresh month in Copper Harbor, Michigan, with an average temperature varying between 50.2°F (10.1°C) and 44.1°F (6.7°C). In Copper Harbor, the average high-temperature in June slightly increases from a frosty 44.4°F (6.9°C) in May to a fresh 50.2°F (10.1°C). Weather in June »

Weather in July

July is a mild summer month in Copper Harbor, Michigan, with temperature in the range of an average high of 57.4°F (14.1°C) and an average low of 51.6°F (10.9°C). In July, the average high-temperature marginally rises from a fresh 50.2°F (10.1°C) in June to a mild 57.4°F (14.1°C). Weather in July »

Weather in August

August, the last month of the summer in Copper Harbor, is an enjoyable month, with an average temperature varying between 57.6°F (14.2°C) and 62.6°F (17°C). The warmest month is August, with an average high-temperature of 62.6°F (17°C) and an average low-temperature of 57.6°F (14.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a mild month in Copper Harbor, Michigan, with an average temperature fluctuating between 59.5°F (15.3°C) and 54.5°F (12.5°C). In Copper Harbor, the average high-temperature in September is almost the same as in August - a mild 59.5°F (15.3°C). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Copper Harbor, Michigan, with an average temperature fluctuating between 48.9°F (9.4°C) and 44.8°F (7.1°C). In Copper Harbor, the average high-temperature in October drops from a mild 59.5°F (15.3°C) in September to a chilly 48.9°F (9.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Copper Harbor, Michigan, with an average temperature varying between 33.4°F (0.8°C) and 38.5°F (3.6°C). In November, the average high-temperature decreases from a chilly 48.9°F (9.4°C) in October to a wintry 38.5°F (3.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Copper Harbor, Michigan, with an average temperature fluctuating between 29.5°F (-1.4°C) and 24.1°F (-4.4°C). In December, the average high-temperature drops from a wintry 38.5°F (3.6°C) in November to a freezing cold 29.5°F (-1.4°C). Weather in December »
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FAQ

What is the coldest month in Copper Harbor?

With an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 17.8°F (-7.9°C), January is the coldest month in Copper Harbor.

What are the most humid months in Copper Harbor?

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

How many days does it rain in Copper Harbor?

In Copper Harbor, during the entire year, the rain falls for 116.2 days and collects up to 23.46" (596mm) of precipitation.

When does it snow in Copper Harbor?

January through May, October through December are months with snowfall in Copper Harbor.

How many days does it snow in Copper Harbor?

Throughout the year, in Copper Harbor, there are 80 snowfall days, and 19.29" (490mm) of snow is accumulated.

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

January has the least sunshine of the year in Copper Harbor, with an average of 1.2h of sunshine.

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.

What is the driest month in Copper Harbor?

March is the month with the least rainfall in Copper Harbor. Rain falls for 7 days and accumulates 1.46" (37mm) of precipitation.

When is Daylight Saving Time (DST) in Copper Harbor?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Copper Harbor, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Copper Harbor?

June through September are months without snowfall in Copper Harbor.

When are the longest days in Copper Harbor?

The month with the longest days in Copper Harbor is June, with an average of 15h and 54min of daylight.

What month has the most sunshine in Copper Harbor?

July has the most sunshine of the year in Copper Harbor, with an average of 10h of sunshine.

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

The months with the highest UV index are July and August, with an average maximum UV index of 5.

What is the warmest month in Copper Harbor?

August is the warmest month, with an average high-temperature of 62.6°F (17°C) and an average low-temperature of 57.6°F (14.2°C).

What is the wettest month in Copper Harbor?

August is the month with the most rainfall in Copper Harbor, Michigan. Rain falls for 12.6 days and accumulates 2.48" (63mm) of precipitation.

What is the least humid month in Copper Harbor?

The months with the lowest humidity are October and November, with an average relative humidity of 78%.

What is the snowiest month in Copper Harbor?

The month with the most snowfall is December, when snow falls for 15.2 days and typically aggregates up to 3.86" (98mm) of snow.

What is the month with the shortest days in Copper Harbor?

December has the shortest days of the year, with an average of 8h and 32min of daylight.

Average temperature
Copper Harbor, MI

Average temperature - Copper Harbor, MI

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).

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
Copper Harbor, MI

Average pressure - Copper Harbor, MI

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
Copper Harbor, MI

Average wind speed - Copper Harbor, MI

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
Copper Harbor, MI

Average humidity - Copper Harbor, MI

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
Copper Harbor, MI

Average rainfall - Copper Harbor, MI

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
Copper Harbor, MI

Average rainfall days - Copper Harbor, MI

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
Copper Harbor, MI

Average snowfall - Copper Harbor, MI

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
Copper Harbor, MI

Average snowfall days - Copper Harbor, MI

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 / Average sunshine
Copper Harbor, MI

Average daylight / Average sunshine - Copper Harbor, MI

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 32min).

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
Copper Harbor, MI

Average sunshine days - Copper Harbor, MI

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
Copper Harbor, MI

Average UV index - Copper Harbor, MI

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 visibility
Copper Harbor, MI

Average visibility - Copper Harbor, MI

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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