Marathon Weather Information
Marathon historical weather data by month.
Chance Of Sunshine
ANNUAL CHANCE OF SUNSHINE 70.55%
Annual chance of sunshine: 70.55%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
70.97%
11
11
9
February
75.86%
12
10
7
March
80.00%
13
11
6
April
80.00%
13
11
6
May
74.19%
10
13
8
June
63.33%
5
14
11
July
63.33%
3
16
11
August
64.52%
3
17
11
September
60.00%
3
15
12
October
70.97%
9
13
9
November
72.41%
10
11
8
December
70.97%
11
11
9
Temperature
JULY HIGH 90.1° - JANUARY LOW 55.9°
Month
Average
Max Average
Min Average
January
66.5°
77.1°
55.9°
February
67.4°
77.8°
56.9°
March
70.3°
80.2°
60.4°
April
73.6°
83.4°
63.8°
May
77.7°
86.7°
68.7°
June
81.2°
88.9°
73.4°
July
82.1°
90.1°
74.1°
August
82.2°
90.3°
74.1°
September
81.5°
89.4°
73.6°
October
77.9°
86.6°
69.2°
November
73.4°
82.8°
64°
December
68.7°
78.8°
58.5°
Rainfall
Average Annual Rainfall 47.46 inches
Month
Average Rainfall
January
1.94 Inches
February
1.63 Inches
March
1.87 Inches
April
2.06 Inches
May
5.06 Inches
June
7.25 Inches
July
4.73 Inches
August
7.43 Inches
September
7.2 Inches
October
4.26 Inches
November
2.46 Inches
December
1.57 Inches
Sum Of Heating & Cooling Degree Days
Potential Demand For Energy
Month
Heating Degree Days
Cooling Degree Days
January
93
123
February
57
123
March
22
187
April
3
262
May
0
394
June
0
485
July
0
530
August
0
533
September
0
495
October
0
399
November
2
253
December
37
149