October 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 October

October in Copper Harbor is firmly within the embrace of autumn, with the temperatures and humidity dropping consistently. Notably, an increase in rainfall to 2.28" (58mm) and a decline in temperature to 48.9°F (9.4°C) foreshadow the incoming cold spell. As Copper Harbor transitions from the mild weather of September, October provides a definitive step into the cooler end of the year and anticipates November's dip in temperatures.

Temperature

In the transition to October, Copper Harbor observes a drop in the average high-temperature, moving from a mild 59.5°F (15.3°C) in September to a frosty 48.9°F (9.4°C). In Copper Harbor, the average low-temperature during October nights tends to settle at a still chilly 44.8°F (7.1°C), indicating a slight drop from the daytime peak.

Humidity

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

Rainfall

In October, in Copper Harbor, the rain falls for 15.7 days. Throughout October, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 116.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Copper Harbor. October is the first month it typically snows in Copper Harbor, Michigan. Throughout October, in the average 1.8 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 80 snowfall days, and 19.29" (490mm) of snow is accumulated.

Daylight

In Copper Harbor, the average length of the day in October is 10h and 50min.
On the first day of the month, sunrise is at 7:51 am and sunset at 7:30 pm. On the last day of October, in Copper Harbor, sunrise is at 8:34 am and sunset at 6:35 pm EDT.

Sunshine

The average sunshine in October is 4.9h.

UV index

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During October, 2 as the daily maximum UV index converts into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Copper Harbor in October?

An average high-temperature, in October, in Copper Harbor, is 48.9°F (9.4°C) and the average low-temperature is 44.8°F (7.1°C).

What are the least humid months in Copper Harbor?

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

What is the average humidity in October in Copper Harbor?

The average relative humidity in October is 78%.

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

In Copper Harbor, Michigan, during October, the rain falls for 15.7 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When does it start to snow in Copper Harbor?

October is the first month it typically snows in Copper Harbor. Throughout October, in the average 1.8 snowfall days, it receives 0.24" (6mm) of snow.

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

In October, the average day length in Copper Harbor is 10h and 50min.

When are sunrise and sunset in October in Copper Harbor?

On the first day of October, sunrise is at 7:51 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 8:34 am and sunset at 6:35 pm EDT.

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

In October, the average sunshine duration is 4.9h.

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

In Copper Harbor, Michigan, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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 October
Copper Harbor, MI

Average temperature in October - Copper Harbor, MI
  • Average high temperature in October: 48.9°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 October: 44.8°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).

Average pressure in October
Copper Harbor, MI

Average pressure in October - Copper Harbor, MI
  • Average pressure in October: 29.94"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).

Average wind speed in October
Copper Harbor, MI

Average wind speed in October - Copper Harbor, MI
  • Average wind speed in October: 15.3mph

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).

Average humidity in October
Copper Harbor, MI

Average humidity in October - Copper Harbor, MI
  • Average humidity in October: 78%

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

Average rainfall in October
Copper Harbor, MI

Average rainfall in October - Copper Harbor, MI
  • Average rainfall in October: 2.28"

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

Average rainfall days in October
Copper Harbor, MI

Average rainfall days in October - Copper Harbor, MI
  • Average rainfall days in October: 15.7 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).

Average snowfall in October
Copper Harbor, MI

Average snowfall in October - Copper Harbor, MI
  • Average snowfall in October: 0.24"

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

Average snowfall days in October
Copper Harbor, MI

Average snowfall days in October - Copper Harbor, MI
  • Average snowfall days in October: 1.8 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).

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

Average daylight in October / Average sunshine in October - Copper Harbor, MI
  • Average daylight in October: 10h and 5min

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 October: 4h and 5min

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).

Average sunshine days in October
Copper Harbor, MI

Average sunshine days in October - Copper Harbor, MI
  • Average sunshine days in October: 11.4 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).

Average UV index in October
Copper Harbor, MI

Average UV index in October - Copper Harbor, MI
  • Average UV index in October: 2

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).

Average cloud cover in October
Copper Harbor, MI

Average cloud cover in October - Copper Harbor, MI
  • Average cloud cover in October: 55

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).

Average visibility in October
Copper Harbor, MI

Average visibility in October - Copper Harbor, MI
  • Average visibility in October: 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).

Copper Harbor, Michigan, USA

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