August weather forecast
Mackinaw City, MI

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The lovely seaside Mackinaw City in Michigan, with a view of the intense road network therein and a part of the long Mackinac Bridge
The lovely seaside Mackinaw City in Michigan, with a view of the intense road network therein and a part of the long Mackinac Bridge

Weather in August

August in Mackinaw City continues July’s warm trend, albeit slightly cooler. Locals relish the last of the summer's extended sunshine, amid reduced rain and continued outdoor activities. This month, while being part of the warm season, begins to hint at an approaching transition. The end of the month marks the onset of the gradual shift towards Fall. Although August is slightly cooler than July, it still sustains similar temperature averages at 71.1°F (21.7°C), ensuring the enjoyment of summer extends into the month.

Temperature

During August, the average high-temperature in Mackinaw City, Michigan, is a still agreeable 71.1°F (21.7°C), maintaining a close resemblance to that of the preceding month. An average nighttime temperature of 58.6°F (14.8°C) is noted during the month of August.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Mackinaw City, Michigan, during August, the rain falls for 13.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Mackinaw City, Michigan, during the entire year, the rain falls for 131 days and collects up to 21.22" (539mm) of precipitation.

Snowfall

June through September are months without snowfall in Mackinaw City.

Daylight

In Mackinaw City, the average length of the day in August is 14h and 4min.
On the first day of the month, sunrise is at 6:22 am and sunset at 9:07 pm. On the last day of August, sunrise is at 6:59 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in August in Mackinaw City is 9.9h.

UV index

The months with the highest UV index in Mackinaw City are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Take precautions - Protection against sun damage is advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What are August temperatures in Mackinaw City?

In Mackinaw City, 71.1°F (21.7°C) is the average high-temperature and 58.6°F (14.8°C) is the average low-temperature during August.

What is the average humidity in August in Mackinaw City?

The average relative humidity in August is 79%.

How many days does it rain in August in Mackinaw City?

In Mackinaw City, Michigan, in August, it is raining for 13.8 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow in Mackinaw City?

In Mackinaw City, Michigan, snow does not fall in June through September.

What is the average length of the day in August in Mackinaw City?

The average day length in August is 14h and 4min.

When are sunrise and sunset in August in Mackinaw City?

In August, on the first day of the month, sunrise is at 6:22 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 8:18 pm EDT.

How long on average sun shines in August in Mackinaw City?

In August, the average sunshine duration is 9.9h.

What is the month with the highest UV index in Mackinaw City?

The months with the highest UV index in Mackinaw City, Michigan, are June through August, with an average maximum UV index of 5.

How high is the UV index in August in Mackinaw City?

In August, the average daily maximum UV index in Mackinaw City, Michigan, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Mackinaw City, MI

Average temperature in August - Mackinaw City, MI
  • Average high temperature in August: 71.1°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 August: 58.6°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 August
Mackinaw City, MI

Average pressure in August - Mackinaw City, MI
  • Average pressure in August: 29.94"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 August
Mackinaw City, MI

Average wind speed in August - Mackinaw City, MI
  • Average wind speed in August: 8.1mph

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 August
Mackinaw City, MI

Average humidity in August - Mackinaw City, MI
  • Average humidity in August: 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 August
Mackinaw City, MI

Average rainfall in August - Mackinaw City, MI
  • Average rainfall in August: 1.65"

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 August
Mackinaw City, MI

Average rainfall days in August - Mackinaw City, MI
  • Average rainfall days in August: 13.8 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 August
Mackinaw City, MI

Average snowfall in August - Mackinaw City, MI
  • Average snowfall in August: 0"

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 August
Mackinaw City, MI

Average snowfall days in August - Mackinaw City, MI
  • Average snowfall days in August: 0 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 daylight in August /
Average sunshine in August
Mackinaw City, MI

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 9h and 5min

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 August
Mackinaw City, MI

Average sunshine days in August - Mackinaw City, MI
  • Average sunshine days in August: 15.4 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 August
Mackinaw City, MI

Average UV index in August - Mackinaw City, MI
  • Average UV index in August: 5

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 August
Mackinaw City, MI

Average cloud cover in August - Mackinaw City, MI
  • Average cloud cover in August: 32

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 August
Mackinaw City, MI

Average visibility in August - Mackinaw City, MI
  • Average visibility in August: 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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Mackinaw City, Michigan, USA

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