Measurements:
°C
°F
Mackinac Island
54°F
SW 1 mph
Feels like: 54°F
Precip: 0%
World Resorts USA Mackinac Island Weather August Weather in Mackinac Island

Mackinac Island Weather: August

Average Day Temperature: 71.9°F
Average Night Temperature: 65.3°F
Sea Water Temperature: 68.7°F
Number of Sunny Days: 15 days
Sunshine Hours: 13.3 - 14.8 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.1 in

Air Temperature in August, °F

Select Year: 2024 2023 2022

The highest day temperature in August 2024 was 82°F. The lowest night temperature was 55°F. The average values for day and night temperatures during August were 71.4°F и 64.6°F respectivly.

Mackinac Island Water Sea Temperature in August, °F

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Mackinac Island was 70.2°F. The maximum and minimum values were 65.8°F and 75.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Mackinac Island is 1.1 in.

Wind Speed in August, mph

The average wind speed in August is 8.6 mph. It makes August one of the most windless months of the year for Mackinac Island.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Mackinac Island in August is 8.8 hours.

Best Time to Visit Mackinac Island
The most sunny months:
July 15 days
August 15 days
September 13 days
The most warm months:
August 71.9 °F
July 71.8 °F
September 64.8 °F
Warmest sea temperature:
August 68.8 °F
July 66.6 °F
September 64.3 °F
The most cold months:
February 20.1 °F
January 21.8 °F
March 29.2 °F
The most rainy months:
August 3 days
July 3 days
March 2 days
The most windy months:
November 13 mph
December 12 mph
April 11 mph

Mackinac Island on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Mackinac Island
Local time: 09:46
05 nov, tuesday
1200 54°F
S
7 mph
1500 52°F
N
6 mph
1800 54°F
NE
19 mph
2100 56°F
NE
17 mph
06 nov, wednesday
0000 56°F
NE
17 mph
0300 50°F
NE
19 mph
0600 48°F
SE
13 mph
0900 48°F
SE
13 mph