Chattanooga Weather Information
Chattanooga historical weather data by month.
Chance Of Sunshine
ANNUAL CHANCE OF SUNSHINE 57.71%
Annual chance of sunshine: 57.71%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
45.16%
7
7
17
February
46.43%
7
6
15
March
50.00%
8
8
16
April
56.67%
9
8
13
May
61.29%
9
10
12
June
66.67%
8
12
10
July
64.52%
7
13
11
August
67.74%
8
13
10
September
64.52%
10
10
11
October
67.74%
13
8
10
November
56.67%
10
7
13
December
45.16%
8
6
17
Temperature
JULY HIGH 89.8° - JANUARY LOW 29.9°
Month
Average
Max Average
Min Average
January
39.4°
48.8°
29.9°
February
43.4°
54.1°
32.6°
March
51.4°
62.8°
40°
April
59.6°
72.1°
47°
May
67.7°
79.1°
56.2°
June
75.4°
86.2°
64.6°
July
79.6°
89.8°
69.4°
August
78.5°
88.7°
68.3°
September
72.1°
82.5°
61.7°
October
60.4°
72.3°
48.5°
November
50.3°
61.1°
39.5°
December
42.4°
52°
32.7°
Rainfall
Average Annual Rainfall 54.52 inches
Month
Average Rainfall
January
5.4 Inches
February
4.85 Inches
March
6.19 Inches
April
4.23 Inches
May
4.28 Inches
June
3.99 Inches
July
4.73 Inches
August
3.59 Inches
September
4.31 Inches
October
3.26 Inches
November
4.88 Inches
December
4.81 Inches
Sum Of Heating & Cooling Degree Days
Potential Demand For Energy
Month
Heating Degree Days
Cooling Degree Days
January
797
0
February
618
0
March
432
5
April
195
32
May
48
124
June
2
312
July
0
450
August
0
418
September
16
229
October
180
35
November
442
2
December
697
1