August 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 August

The weather in Copper Harbor in August signals the gradual retreat of summer, with a minor dip in temperature from July. While the UV index remains at 5, similar to July, subtle indicators of an arising change surface in the form of a slight increase in humidity and wind speeds. The weather remains steadily warm during August, providing a gentle descent into the cooler realm of September and autumn.

Temperature

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).

Humidity

In Copper Harbor, the average relative humidity in August is 83%.

Rainfall

The month with the most rainfall is August, when the rain falls for 12.6 days and typically aggregates up to 2.48" (63mm) of precipitation.

Snowfall

In Copper Harbor, snow does not fall in June through September.

Daylight

In Copper Harbor, the average length of the day in August is 14h and 12min.
On the first day of the month, sunrise is at 6:30 am and sunset at 9:25 pm. On the last day of August, in Copper Harbor, sunrise is at 7:10 am and sunset at 8:33 pm EDT.

Sunshine

In August, the average sunshine is 9.5h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In August, the UV index of 5 transforms into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are the warmest months in Copper Harbor?

Copper Harbor reaches its average highest temperatures in August, measuring 62.6°F (17°C) at the peak and 57.6°F (14.2°C) at the lowest.

What is the average August temperature in Copper Harbor?

In Copper Harbor, 62.6°F (17°C) is the average high-temperature and 57.6°F (14.2°C) is the average low-temperature during August.

What is the average humidity in August in Copper Harbor?

In Copper Harbor, the average relative humidity in August is 83%.

What is the wettest month in Copper Harbor?

The month with the most rainfall in Copper Harbor, Michigan, is August, when the rain falls for 12.6 days and typically aggregates up to 2.48" (63mm) of precipitation.

How many days does it rain in August in Copper Harbor?

In Copper Harbor, during August, the rain falls for 12.6 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Copper Harbor?

June through September are months without snowfall in Copper Harbor, Michigan.

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

In Copper Harbor, the average day length in August is 14h and 12min.

What time are sunrise and sunset in August in Copper Harbor?

On the first day of August in Copper Harbor, Michigan, sunrise is at 6:30 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 8:33 pm EDT.

How long on average sun shines in August in Copper Harbor?

The average sunshine duration in August in Copper Harbor is 9.5h.

What is the month with the highest UV index in Copper Harbor?

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

What is the UV index reading in August in Copper Harbor?

In Copper Harbor, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Copper Harbor, MI

Average temperature in August - Copper Harbor, MI
  • Average high temperature in August: 62.6°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 August: 57.6°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 August
Copper Harbor, MI

Average pressure in August - Copper Harbor, MI
  • Average pressure in August: 29.93"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 August
Copper Harbor, MI

Average wind speed in August - Copper Harbor, MI
  • Average wind speed in August: 11mph

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 August
Copper Harbor, MI

Average humidity in August - Copper Harbor, MI
  • Average humidity in August: 83%

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 August
Copper Harbor, MI

Average rainfall in August - Copper Harbor, MI
  • Average rainfall in August: 2.48"

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 August
Copper Harbor, MI

Average rainfall days in August - Copper Harbor, MI
  • Average rainfall days in August: 12.6 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 August
Copper Harbor, MI

Average snowfall in August - Copper Harbor, MI
  • Average snowfall in August: 0"

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 August
Copper Harbor, MI

Average snowfall days in August - Copper Harbor, MI
  • Average snowfall days in August: 0 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 August /
Average sunshine in August
Copper Harbor, MI

Average daylight in August / Average sunshine in August - Copper Harbor, MI
  • Average daylight in August: 14h and 1min

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 August: 9h and 3min

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 August
Copper Harbor, MI

Average sunshine days in August - Copper Harbor, MI
  • Average sunshine days in August: 16.7 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 August
Copper Harbor, MI

Average UV index in August - Copper Harbor, MI
  • Average UV index in August: 5

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 August
Copper Harbor, MI

Average cloud cover in August - Copper Harbor, MI
  • Average cloud cover in August: 32

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 August
Copper Harbor, MI

Average visibility in August - Copper Harbor, MI
  • Average visibility in August: 6mi

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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