World Resorts USA Mackinac Island

Mackinac Island Monthly Weather Averages

Please click on any column to get detailed information about Mackinac Island weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Mackinac Island is august. The average daily temp is 69.7°F. The average nightly temp is 63.8°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 66.8°F.

Precipitation total, in.

February is the month with least precipitations during the year. The average precipitation totals for this month is 0.5 in. The month with most precipitation total is April.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Mackinac Island

Sunniest months:
July 15 days
August 15 days
September 13 days
Warmest months:
August 69.7 °F
July 69.6 °F
September 63.3 °F
Warmest sea temp:
August 66.9 °F
July 64.9 °F
September 62.8 °F
Coldest months:
February 23.1 °F
January 24.6 °F
March 31.3 °F
Rainiest months:
August 3 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
+41°F
SW 6 mph
Feels like: +34°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+73°F
+72°F
+66°F
+34°F
24 Hours Forecast
Mackinac Island
Local time: 14:18
November 21, thursday
1500
41°F
SW
6 mph
1800
45°F
S
8 mph
2100
41°F
S
11 mph
November 22, friday
0000
41°F
S
11 mph
0300
41°F
S
16 mph
0600
41°F
S
16 mph
0900
43°F
S
16 mph
1200
43°F
S
17 mph
Units of measurement: °C / °F