CLIMATE CHARTS
Decatur, Tennessee
Latitude: 35.6394 Longitude: -84.6650
Elevation: 750 feet (228.6 meters)
Monthly Data Table for Decatur, Tennessee
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
47.4 |
51.9 |
61.3 |
70.1 |
77.7 |
85.3 |
88.7 |
88.6 |
82.7 |
72.3 |
60.6 |
49.7 |
Minimum Temperature |
°F |
24.8 |
28.1 |
33.8 |
41.6 |
51.6 |
60.1 |
64.6 |
63.3 |
56.2 |
43.0 |
34.0 |
27.3 |
Heating Degree Days |
°F |
896 |
700 |
542 |
284 |
88 |
6 |
0 |
0 |
30 |
248 |
532 |
822 |
Cooling Degree Days |
°F |
0 |
0 |
1 |
10 |
77 |
237 |
361 |
340 |
163 |
20 |
1 |
0 |
Precipitation |
in. |
5.29 |
4.76 |
5.03 |
4.42 |
5.12 |
4.59 |
4.77 |
3.26 |
4.34 |
2.86 |
4.48 |
4.99 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
8.6 |
11.1 |
16.3 |
21.2 |
25.4 |
29.6 |
31.5 |
31.4 |
28.2 |
22.4 |
15.9 |
9.8 |
Minimum Temperature |
°C |
-4.0 |
-2.2 |
1.0 |
5.3 |
10.9 |
15.6 |
18.1 |
17.4 |
13.4 |
6.1 |
1.1 |
-2.6 |
Heating Degree Days |
°C |
498 |
389 |
301 |
158 |
49 |
3 |
0 |
0 |
17 |
138 |
296 |
457 |
Cooling Degree Days |
°C |
0 |
0 |
1 |
6 |
43 |
132 |
201 |
189 |
91 |
11 |
1 |
0 |
Precipitation |
cm. |
13.44 |
12.09 |
12.78 |
11.23 |
13.00 |
11.66 |
12.12 |
8.28 |
11.02 |
7.26 |
11.38 |
12.67 |