Mackinac Island weather by month

Check out Mackinac Island weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Mackinac Island (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	25	27	36	48	63	72	77	75	66	55	41	30
Min temperature (night-time)	7	5	16	30	39	48	54	54	46	37	28	16
Heat & Humidity	0	0	0	0	0	0	L	0	0	0	0	0
Sea temperature	37	36	36	36	37	43	54	61	59	50	45	39

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Mackinac Island

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	3	4	5	7	8	9	10	8	6	4	2	2
Daily hours of daylight	9	10	12	14	15	16	15	14	12	11	9	9
UV Index (Maximum)	1	2	3	5	6	8	8	7	5	3	1	1

Rainfall in Mackinac Island

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	19	14	14	12	11	12	10	12	13	15	16	20
Average monthly rainfall (inches)	1.9	1.5	1.9	2.5	2.7	2.9	2.8	3.1	3.9	2.8	2.9	2.3

More about Mackinac Island

Mackinac Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Michigan (Mackinac Island) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Mackinac Island?

Mackinac Island has a cold climate with warm summers and some rainfall in all months.

Mackinac Island weather in January

Expect daytime maximum temperatures of 25°F in Mackinac Island, Michigan in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 19 days with some rainfall and typically 1.9 inches of rainfall in the month, which might fall as snow.

25
25°F max day temperature
3
3 hours of sunshine per day
19
19 days with some rainfall
7
7°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
1.9
1.9 inches of monthly rainfall
1
1 (Low) UV index
37
37°F sea temperature

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Mackinac Island weather in February

Expect daytime maximum temperatures of 27°F in Mackinac Island, Michigan in February based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall, which might fall as snow.

27
27°F max day temperature
4
4 hours of sunshine per day
14
14 days with some rainfall
5
5°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
1.5
1.5 inches of monthly rainfall
2
2 (Low) UV index
36
36°F sea temperature

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Mackinac Island weather in March

Expect daytime maximum temperatures of 36°F in Mackinac Island, Michigan in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 1.9 inches of rainfall in the month, which might fall as snow.

36
36°F max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
16
16°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
1.9
1.9 inches of monthly rainfall
3
3 (Moderate) UV index
36
36°F sea temperature

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Mackinac Island weather in April

Expect daytime maximum temperatures of 48°F in Mackinac Island, Michigan in April based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 2.5 inches of rainfall in the month.

48
48°F max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
30
30°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
2.5
2.5 inches of monthly rainfall
5
5 (Moderate) UV index
36
36°F sea temperature

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Mackinac Island weather in May

Expect daytime maximum temperatures of 63°F in Mackinac Island, Michigan in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 2.7 inches of rainfall in the month.

63
63°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
39
39°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
2.7
2.7 inches of monthly rainfall
6
6 (High) UV index
37
37°F sea temperature

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Mackinac Island weather in June

Expect daytime maximum temperatures of 72°F in Mackinac Island, Michigan in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 12 days with some rainfall and typically 2.9 inches of rainfall in the month.

72
72°F max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
48
48°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
8
8 (Very High) UV index
43
43°F sea temperature

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Mackinac Island weather in July

Expect daytime maximum temperatures of 77°F in Mackinac Island, Michigan in July based on long-term weather averages. There are 10 hours of sunshine per day on average with 10 days with some rainfall and typically 2.8 inches of rainfall in the month.

77
77°F max day temperature
10
10 hours of sunshine per day
10
10 days with some rainfall
54
54°F min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
2.8
2.8 inches of monthly rainfall
8
8 (Very High) UV index
54
54°F sea temperature

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Mackinac Island weather in August

Expect daytime maximum temperatures of 75°F in Mackinac Island, Michigan in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 3.1 inches of rainfall in the month.

75
75°F max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
54
54°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
3.1
3.1 inches of monthly rainfall
7
7 (High) UV index
61
61°F sea temperature

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Mackinac Island weather in September

Expect daytime maximum temperatures of 66°F in Mackinac Island, Michigan in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 3.9 inches of rainfall in the month.

66
66°F max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
46
46°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
5
5 (Moderate) UV index
59
59°F sea temperature

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Mackinac Island weather in October

Expect daytime maximum temperatures of 55°F in Mackinac Island, Michigan in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 2.8 inches of rainfall in the month.

55
55°F max day temperature
4
4 hours of sunshine per day
15
15 days with some rainfall
37
37°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
3
3 (Moderate) UV index
50
50°F sea temperature

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Mackinac Island weather in November

Expect daytime maximum temperatures of 41°F in Mackinac Island, Michigan in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 2.9 inches of rainfall in the month.

41
41°F max day temperature
2
2 hours of sunshine per day
16
16 days with some rainfall
28
28°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
1
1 (Low) UV index
45
45°F sea temperature

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Mackinac Island weather in December

Expect daytime maximum temperatures of 30°F in Mackinac Island, Michigan in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 2.3 inches of rainfall in the month, which might fall as snow.

30
30°F max day temperature
2
2 hours of sunshine per day
20
20 days with some rainfall
16
16°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
2.3
2.3 inches of monthly rainfall
1
1 (Low) UV index
39
39°F sea temperature

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