Dearborn Weather Information

Dearborn historical weather data by month.

Chance Of Sunshine

ANNUAL CHANCE OF SUNSHINE 49.56%
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Annual chance of sunshine: 49.56%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
35.48%
4
7
20
February
41.38%
5
7
17
March
41.94%
6
7
18
April
46.67%
6
8
16
May
54.84%
7
10
14
June
63.33%
8
11
11
July
67.74%
9
12
10
August
64.52%
9
11
11
September
60.00%
8
10
12
October
53.13%
8
9
15
November
36.67%
4
7
19
December
29.03%
3
6
22

Temperature

JULY HIGH 85.7° - JANUARY LOW 16.1°
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Month
Average
Max Average
Min Average
January
24.7°
33.2°
16.1°
February
27.4°
36.6°
18.2°
March
36.8°
46.8°
26.8°
April
48.2°
59.6°
36.8°
May
59.8°
72.3°
47.3°
June
69.1°
81.3°
56.9°
July
73.7°
85.7°
61.6°
August
72.1°
84°
60.2°
September
64.4°
76.6°
52.1°
October
52.4°
64°
40.7°
November
41.3°
50.4°
32.1°
December
30.3°
38.4°
22.1°

Rainfall

Average Annual Rainfall 33.58 inches
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Month
Average Rainfall
January
2 Inches
February
1.88 Inches
March
2.64 Inches
April
3.28 Inches
May
2.91 Inches
June
3.6 Inches
July
3.09 Inches
August
2.86 Inches
September
3.5 Inches
October
2.55 Inches
November
2.76 Inches
December
2.51 Inches

Sum Of Heating & Cooling Degree Days

Potential Demand For Energy
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Month
Heating Degree Days
Cooling Degree Days
January
1251
0
February
1053
0
March
875
0
April
506
1
May
220
58
June
29
152
July
1
269
August
12
232
September
88
69
October
399
7
November
713
0
December
1077
0