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The tables below display average monthly climate and weather indicators in Charleston C.O. South Carolina.
Temperature by: Fahrenheit / Centigrade
| Charleston C.O. Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
48.4 |
51.0 |
57.9 |
65.4 |
72.8 |
78.8 |
81.8 |
81.0 |
76.8 |
67.9 |
59.7 |
52.2 |
66.1 |
| Avg. Max Temperature |
55.9 |
58.8 |
65.4 |
73.0 |
79.6 |
85.1 |
88.1 |
87.0 |
82.8 |
75.0 |
67.2 |
59.7 |
73.1 |
| Avg. Min Temperature |
40.8 |
43.2 |
50.3 |
57.8 |
66.0 |
72.4 |
75.4 |
74.9 |
70.7 |
60.7 |
52.1 |
44.6 |
59.1 |
| Days with Max Temp of 90 F or Higher |
0.0 |
0.0 |
0.0 |
< 0.5 |
1.0 |
7.0 |
13.0 |
10.0 |
4.0 |
< 0.5 |
0.0 |
0.0 |
34.0 |
| Days with Min Temp Below Freezing |
4.0 |
2.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
2.0 |
9.0 |
| | |
| Charleston C.O. Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
525 |
399 |
238 |
57.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
46.0 |
194 |
407 |
1866 |
| Cooling Degree Days |
11.0 |
7.0 |
18.0 |
69.0 |
242 |
414 |
521 |
496 |
354 |
136 |
35.0 |
10.0 |
2313 |
| | |
| Charleston C.O. Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
3.4 |
3.1 |
4.3 |
2.4 |
3.5 |
5.8 |
6.0 |
7.3 |
4.7 |
2.8 |
2.3 |
2.9 |
48.5 |
| Days with Precipitation 0.01 inch or More |
10.0 |
8.0 |
8.0 |
7.0 |
8.0 |
11.0 |
10.0 |
11.0 |
9.0 |
6.0 |
7.0 |
9.0 |
106 |
|
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United States
