April weather forecast
Mackinac Island, MI

A tranquil neighborhood with homes and a church in a scenic natural park in Mackinac Island, Michigan
A tranquil neighborhood with homes and a church in a scenic natural park in Mackinac Island, Michigan

Weather in April

April, like March, in Mackinac Island, Michigan, is another cold spring month, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 42.3°F (5.7°C).

Temperature

In Mackinac Island, the average high-temperature in April rises from 32.7°F (0.4°C) in March to a still cold 42.3°F (5.7°C). In April, the average low-temperature is 31.8°F (-0.1°C).

Humidity

In April, the average relative humidity is 79%.

Rainfall

In Mackinac Island, during 11.9 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Mackinac Island, there are 131 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mackinac Island are January through May, October through December. In Mackinac Island, in April, snow falls for 7.1 days, with typically accumulated 2.56" (65mm) of snow. Throughout the year, in Mackinac Island, there are 93.6 snowfall days, and 27.91" (709mm) of snow is accumulated.

Ocean temperature

The months with the coldest seawater are February through April, with an average ocean temperature of 35.6°F (2°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In Mackinac Island, the average length of the day in April is 13h and 34min.
On the first day of the month, sunrise is at 7:18 am and sunset at 8:06 pm. On the last day of April, in Mackinac Island, sunrise is at 6:27 am and sunset at 8:44 pm EDT.

Sunshine

In Mackinac Island, the average sunshine in April is 6.6h.

UV index

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Mackinac Island?

In April, in Mackinac Island, the average high-temperature is 42.3°F (5.7°C), and the average low-temperature is 31.8°F (-0.1°C).

What is the average humidity in April in Mackinac Island?

The average relative humidity in April in Mackinac Island is 79%.

How much does it rain in Mackinac Island in April?

In Mackinac Island, Michigan, during April, the rain falls for 11.9 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How many days does it snow in April in Mackinac Island?

In Mackinac Island, Michigan, in April, snow falls for 7.1 days, with typically accumulated 2.56" (65mm) of snow.

What are the months with the coldest ocean in Mackinac Island?

February through April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater in Mackinac Island, Michigan.

How cold is the water in April in Mackinac Island?

In Mackinac Island, Michigan, the average seawater temperature in April is 35.6°F (2°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Mackinac Island have in April?

The average day length in April is 13h and 34min.

When is the sunrise / sunset in April in Mackinac Island?

In April, on the first day of the month, sunrise is at 7:18 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:44 pm EDT.

How long on average sun shines in April in Mackinac Island?

The average sunshine duration in April in Mackinac Island is 6.6h.

What is the UV index intensity in April in Mackinac Island?

In Mackinac Island, Michigan, the average daily maximum UV index in April is 3. 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 days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mackinac Island, MI

Average temperature in April - Mackinac Island, MI
  • Average high temperature in April: 42.3°F

The warmest month (with the highest average high temperature) is July (71.4°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in April: 31.8°F

The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

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Average pressure in April
Mackinac Island, MI

Average pressure in April - Mackinac Island, MI
  • Average pressure in April: 29.98"Hg

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

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Average wind speed in April
Mackinac Island, MI

Average wind speed in April - Mackinac Island, MI
  • Average wind speed in April: 9.8mph

The windiest months (with the highest average wind speed) are November and December (10.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.6mph).

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Average humidity in April
Mackinac Island, MI

Average humidity in April - Mackinac Island, MI
  • Average humidity in April: 79%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in April
Mackinac Island, MI

Average rainfall in April - Mackinac Island, MI
  • Average rainfall in April: 2.36"

The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is January (1.3").

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Average rainfall days in April
Mackinac Island, MI

Average rainfall days in April - Mackinac Island, MI
  • Average rainfall days in April: 11.9 days

The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in April
Mackinac Island, MI

Average snowfall in April - Mackinac Island, MI
  • Average snowfall in April: 2.56"

The month with the highest snowfall is January (5.91").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Mackinac Island, MI

Average snowfall days in April - Mackinac Island, MI
  • Average snowfall days in April: 7.1 days

The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in April
Mackinac Island, MI

Average sea temperature in April - Mackinac Island, MI
  • Average sea temperature in April: 36°F

The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).

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Average daylight in April /
Average sunshine in April
Mackinac Island, MI

Average daylight in April / Average sunshine in April - Mackinac Island, MI
  • Average daylight in April: 13h and 34min

The month with the longest days is June (Average daylight: 15h and 40min).
The month with the shortest days is December (Average daylight: 8h and 44min).

  • Average sunshine in April: 6h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).

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Average sunshine days in April
Mackinac Island, MI

Average sunshine days in April - Mackinac Island, MI
  • Average sunshine days in April: 12.8 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is January (7.1 days).

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Average UV index in April
Mackinac Island, MI

Average UV index in April - Mackinac Island, MI
  • Average UV index in April: 3

The months with the highest UV index are June, 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
Mackinac Island, MI

Average cloud cover in April - Mackinac Island, MI
  • Average cloud cover in April: 54

The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in April
Mackinac Island, MI

Average visibility in April - Mackinac Island, MI
  • Average visibility in April: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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