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°Fahrenheit
Monthly Historical Averages
Mackinaw City Pierhead Lighthouse, MI
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May
Average Temperature
High
14°
Feels 13
Low
6°
Feels 4
Average Precipitation
8 Days
Rain amount
33.8mm
Snow amount
0cm
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
12°
22
13°
23
9°
24
13°
25
16°
26
18°
27
19°
28
17°
29
18°
30
18°
31
18°
Forecast
Thursday, May 21, 2026
Day
12°
Feels 10
Wind
22 km/h E
Gust
33 km/h
Humidity
41%
P.O.P
20%
Night
4°
Feels 1
Wind
17 km/h E
Gust
26 km/h
Humidity
81%
P.O.P
20%
Historical Averages
May 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.