Maryville Weather Information

Maryville historical weather data by month.

Chance Of Sunshine

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Annual chance of sunshine: 58.97%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
54.84%
9
8
14
February
50.00%
7
7
14
March
48.39%
7
8
16
April
51.72%
7
8
14
May
54.84%
7
10
14
June
63.33%
8
11
11
July
74.19%
11
12
8
August
70.97%
12
10
9
September
66.67%
12
8
10
October
67.74%
13
8
10
November
53.33%
9
7
14
December
51.61%
8
8
15

Temperature

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Month
Average
Max Average
Min Average
January
22.5°
33°
11.9°
February
28.1°
39.1°
17°
March
39.5°
51.5°
27.4°
April
50.8°
63.7°
37.9°
May
61.5°
74.1°
48.9°
June
71.2°
83.7°
58.7°
July
75.7°
88°
63.3°
August
73.5°
86.2°
60.7°
September
64.9°
78.6°
51.2°
October
53°
66.7°
39.3°
November
38.8°
49.6°
28°
December
26.6°
36.4°
16.8°

Rainfall

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Month
Average Rainfall
January
0.87 Inches
February
0.99 Inches
March
2.37 Inches
April
3.16 Inches
May
4.58 Inches
June
4.16 Inches
July
5.24 Inches
August
3.82 Inches
September
4.06 Inches
October
2.97 Inches
November
2.33 Inches
December
1.29 Inches

Sum Of Heating & Cooling Degree Days

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Month
Heating Degree Days
Cooling Degree Days
January
1318
0
February
1035
0
March
793
0
April
429
3
May
173
64
June
19
206
July
0
330
August
19
280
September
97
95
October
380
8
November
786
0
December
1190
0