National Weather Service United States Department of Commerce

 

  Average Monthly Temperatures  
TEMPERATURE JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
DETROIT 32.0
19.1
35.2
21.0
45.8
28.6
59.1
39.4
69.9
49.4
79.3
59.5
83.4
63.9
81.4
62.6
74.0
54.7
61.6
43.3
48.8
34.3
36.1
24.1
FLINT 29.6
15.3
32.8
16.9
43.5
24.8
57.3
35.5
68.5
45.3
77.9
55.2
81.9
59.2
79.7
57.9
72.3
49.9
59.6
39.4
46.7
31.0
34.1
20.8
SAGINAW 28.9
15.6
31.7
17.3
42.2
25.3
56.1
36.0
68.0
46.6
77.9
56.5
81.8
60.2
79.4
58.3
72.1
50.5
59.3
40.1
45.9
31.2
33.5
21.2

 

  Average Monthly Precipitation  
PRECIPITATION JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
DETROIT 1.96" 2.02" 2.28" 2.90" 3.38" 3.52" 3.37" 3.00" 3.27" 2.52" 2.79" 2.46"
FLINT 1.63" 1.48" 1.91" 2.89" 3.08" 3.07" 3.32" 3.18" 3.75" 2.47" 2.67" 1.92"
SAGINAW 1.71" 1.61" 2.06" 2.89" 3.38" 2.98" 2.58" 3.31" 3.83" 2.63" 2.70" 1.86"

 

  Average Monthly Snowfall  
SNOWFALL JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
DETROIT 12.5" 10.4" 6.9" 1.7" Trace 0" 0" 0" 0" 0.1" 1.4" 9.7"
FLINT 13.1" 10.8" 6.5" 2.3" Trace 0" 0" 0" 0" 0.4" 2.5" 11.8"
SAGINAW 11.9" 8.6" 6.4" 1.7" Trace 0" 0" 0" 0" 0.3" 3.6" 9.0"