World Resorts USA Mackinac Island Weather

Mackinac Island weather in August

Weather in Mackinac Island: August

Average day temperature: 69.8°F
Average night temperature: 63.9°F
Sea water temperature: 66.6°F
Number of sunny days: 15 days
Day length: 13.3 - 14.8 hours
Number of rainy days: 4 days
Precipitation totals: 1.2 in.

Air temperature in August, °F

Show year:
2023
2022
2021

The highest day temperature during August of 2023 was 75°F. At the same time the lowest night temperature was 52°F. Day and night temperature averages during August were 67.9°F and 61.7°F.

Sea water temperature in Mackinac Island in August, °F

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 64.3°F. The highest and lowest sea temperatures during the month were 67.6°F and 59.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Mackinac Island in August is 1.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.5 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.9.

Best time for vacation in Mackinac Island

Sunniest months:
July 15 days
August 15 days
September 14 days
Warmest months:
August 69.8 °F
July 69.6 °F
June 63.4 °F
Warmest sea temp:
August 66.6 °F
July 64.8 °F
September 62.4 °F
Coldest months:
February 23.1 °F
January 24.6 °F
March 31.3 °F
Rainiest months:
August 4 days
July 3 days
March 2 days
Windiest months:
November 13.6 mph
December 13.0 mph
April 11.7 mph

Mackinac Island on a weather map

Mackinac Island
+57°F
E 9 mph
Feels like: +54°F
Precip.: 100%
Places in USA:
Name
°F
+52°F
+59°F
+73°F
+73°F
+73°F
+59°F
+84°F
+59°F
+77°F
+61°F
+52°F
+79°F
+81°F
+77°F
+68°F
24 Hours Forecast
Mackinac Island
Local time: 02:23
May 19, sunday
0300
57°F
E
9 mph
0600
55°F
E
9 mph
0900
55°F
SE
8 mph
1200
59°F
E
6 mph
1500
61°F
E
7 mph
1800
59°F
SE
6 mph
2100
57°F
E
4 mph
May 20, monday
0000
55°F
N
3 mph
Units of measurement: °C / °F