April 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 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).

Temperature

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). The average low-temperature, in Copper Harbor, is 31.8°F (-0.1°C).

Humidity

In April, the average relative humidity in Copper Harbor is 81%.

Rainfall

In Copper Harbor, in April, during 9.4 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, in Copper Harbor, there are 116.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Copper Harbor, Michigan, are January through May, October through December. In April, in Copper Harbor, Michigan, it is snowing for 6.2 days. Throughout April, 2.36" (60mm) of snow is accumulated. Throughout the year, there are 80 snowfall days, and 19.29" (490mm) of snow is accumulated.

Daylight

The average length of the day in April in Copper Harbor is 13h and 40min.
On the first day of April, sunrise is at 7:29 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 9:01 pm EDT.

Sunshine

In April, the average sunshine is 6.4h.

UV index

In April, the average daily maximum UV index in Copper Harbor is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in April interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Copper Harbor?

The average high-temperature, in April, in Copper Harbor, is 37°F (2.8°C), while the average low-temperature is 31.8°F (-0.1°C).

What is the average humidity in April in Copper Harbor?

In April, the average relative humidity in Copper Harbor is 81%.

How much does it rain in Copper Harbor in April?

In Copper Harbor, Michigan, in April, during 9.4 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

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

In Copper Harbor, in April, during 6.2 snowfall days, 2.36" (60mm) of snow is typically accumulated.

What is the average length of the day in April in Copper Harbor?

In April, the average day length in Copper Harbor is 13h and 40min.

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

In April, on the first day of the month, sunrise is at 7:29 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 9:01 pm EDT.

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

In Copper Harbor, Michigan, the average sunshine duration in April is 6.4h.

What is the UV index intensity in April in Copper Harbor?

In April, the average daily maximum UV index in Copper Harbor is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Copper Harbor, MI

Average temperature in April - Copper Harbor, MI
  • Average high temperature in April: 37°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 April: 31.8°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 April
Copper Harbor, MI

Average pressure in April - Copper Harbor, MI
  • Average pressure in April: 29.99"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 April
Copper Harbor, MI

Average wind speed in April - Copper Harbor, MI
  • Average wind speed in April: 13.7mph

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 April
Copper Harbor, MI

Average humidity in April - Copper Harbor, MI
  • Average humidity in April: 81%

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 April
Copper Harbor, MI

Average rainfall in April - Copper Harbor, MI
  • Average rainfall in April: 1.93"

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 April
Copper Harbor, MI

Average rainfall days in April - Copper Harbor, MI
  • Average rainfall days in April: 9.4 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 April
Copper Harbor, MI

Average snowfall in April - Copper Harbor, MI
  • Average snowfall in April: 2.36"

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 April
Copper Harbor, MI

Average snowfall days in April - Copper Harbor, MI
  • Average snowfall days in April: 6.2 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 April /
Average sunshine in April
Copper Harbor, MI

Average daylight in April / Average sunshine in April - Copper Harbor, MI
  • Average daylight in April: 13h and 40min

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).

  • Average sunshine in April: 6h and 24min

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 April
Copper Harbor, MI

Average sunshine days in April - Copper Harbor, MI
  • Average sunshine days in April: 13.8 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 April
Copper Harbor, MI

Average UV index in April - Copper Harbor, MI
  • Average UV index in April: 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).

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Average cloud cover in April
Copper Harbor, MI

Average cloud cover in April - Copper Harbor, MI
  • Average cloud cover in April: 54

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 April
Copper Harbor, MI

Average visibility in April - Copper Harbor, MI
  • Average visibility in April: 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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