October 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 October

October, the same as September, is a cool autumn month in Mackinac Island, Michigan, with an average temperature fluctuating between 52.3°F (11.3°C) and 43.7°F (6.5°C).

Temperature

In October, the average high-temperature drops from an enjoyable 64.8°F (18.2°C) in September to a cool 52.3°F (11.3°C). In October, in Mackinac Island, the average low-temperature is 43.7°F (6.5°C).

Humidity

In Mackinac Island, Michigan, the average relative humidity in October is 79%.

Rainfall

The month with the most rainfall is October, when the rain falls for 16.5 days and typically aggregates up to 2.72" (69mm) of precipitation.

Snowfall

Months with snowfall in Mackinac Island are January through May, October through December. October is the first month it typically snows in Mackinac Island. Throughout October, in the average 2 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 93.6 snowfall days, and 27.91" (709mm) of snow is accumulated.

Ocean temperature

In Mackinac Island, the average water temperature is 50°F (10°C).
Note: Swimming in 50°F (10°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in October in Mackinac Island is 10h and 55min.
On the first day of October, sunrise is at 7:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:26 pm EDT.

Sunshine

In Mackinac Island, Michigan, the average sunshine in October is 4.8h.

UV index

In Mackinac Island, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in October transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 October in Mackinac Island?

In Mackinac Island, in October, the average high-temperature is 52.3°F (11.3°C), and the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in October in Mackinac Island?

In October, the average relative humidity in Mackinac Island is 79%.

What is the rainiest month in Mackinac Island?

October is the month with the most rainfall. Rain falls for 16.5 days and accumulates 2.72" (69mm) of precipitation.

How much does it rain in Mackinac Island in October?

In Mackinac Island, Michigan, in October, during 16.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it start snowing in Mackinac Island?

October is the first month it typically snows in Mackinac Island, Michigan. Throughout October, in the average 2 snowfall days, it receives 0.31" (8mm) of snow.

How cold is the water in October in Mackinac Island?

In Mackinac Island, Michigan, the average seawater temperature in October is 50°F (10°C). Swimming in 50°F (10°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in October in Mackinac Island?

In Mackinac Island, Michigan, the average day length in October is 10h and 55min.

What time are sunrise and sunset in October in Mackinac Island?

On the first day of October in Mackinac Island, Michigan, sunrise is at 7:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:26 pm EDT.

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

In Mackinac Island, the average sunshine duration in October is 4.8h.

How high is the UV index in October in Mackinac Island?

The average daily maximum UV index in October in Mackinac Island is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Mackinac Island, MI

Average temperature in October - Mackinac Island, MI
  • Average high temperature in October: 52.3°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 October: 43.7°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 October
Mackinac Island, MI

Average pressure in October - Mackinac Island, MI
  • Average pressure in October: 29.96"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 October
Mackinac Island, MI

Average wind speed in October - Mackinac Island, MI
  • Average wind speed in October: 10.3mph

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 October
Mackinac Island, MI

Average humidity in October - Mackinac Island, MI
  • Average humidity in October: 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 October
Mackinac Island, MI

Average rainfall in October - Mackinac Island, MI
  • Average rainfall in October: 2.72"

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 October
Mackinac Island, MI

Average rainfall days in October - Mackinac Island, MI
  • Average rainfall days in October: 16.5 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 October
Mackinac Island, MI

Average snowfall in October - Mackinac Island, MI
  • Average snowfall in October: 0.31"

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 October
Mackinac Island, MI

Average snowfall days in October - Mackinac Island, MI
  • Average snowfall days in October: 2 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 October
Mackinac Island, MI

Average sea temperature in October - Mackinac Island, MI
  • Average sea temperature in October: 50°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 October /
Average sunshine in October
Mackinac Island, MI

Average daylight in October / Average sunshine in October - Mackinac Island, MI
  • Average daylight in October: 10h and 55min

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 October: 4h and 48min

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 October
Mackinac Island, MI

Average sunshine days in October - Mackinac Island, MI
  • Average sunshine days in October: 11.5 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 October
Mackinac Island, MI

Average UV index in October - Mackinac Island, MI
  • Average UV index in October: 2

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 October
Mackinac Island, MI

Average cloud cover in October - Mackinac Island, MI
  • Average cloud cover in October: 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 October
Mackinac Island, MI

Average visibility in October - Mackinac Island, MI
  • Average visibility in October: 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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