Temperatures
South Carolina has a humid subtropical climate (Köppen climate classification Cfa), although high elevation areas in the "Upstate" area have less subtropical characteristics than areas on the Atlantic coastline. In the summer, South Carolina is hot and humid with daytime temperatures averaging near 90 °F (32 °C) across most of the state with overnight lows near 70 °F (21 °C). Winter temperatures are much less uniform. Coastal areas of the state have very mild winters with high temperatures averaging near 60 °F (16 °C) and overnight lows near 38 °F (3 °C). Further inland in the Piedmont, temperatures average between 50 °F (10 °C) during the day and 32 °F (0 °C) at night.
| Monthly normal high and low temperatures for various South Carolina cities | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year | Greenville Columbia Charleston | |
| Greenville | Average high | 50.2 (10.1) |
54.8 (12.6) |
62.7 (17.0) |
71.0 (21.6) |
78.2 (25.6) |
85.1 (29.5) |
88.8 (31.5) |
87.1 (30.6) |
81.1 (27.2) |
71.4 (21.8) |
61.3 (16.2) |
52.7 (11.5) |
70.4 (21.3) |
|
| Average low | 31.4 (−0.3) |
33.9 (1.0) |
40.5 (4.7) |
47.0 (8.3) |
56.2 (13.4) |
64.3 (17.9) |
68.7 (20.3) |
67.9 (19.9) |
61.7 (16.5) |
49.7 (9.8) |
41.0 (5.0) |
34.3 (1.2) |
49.7 (9.8) |
||
| Columbia | Average high | 55.1 (12.8) |
59.5 (15.2) |
67.4 (19.6) |
75.7 (24.2) |
83.1 (28.3) |
89.1 (31.7) |
92.1 (33.3) |
90.0 (32.2) |
84.8 (29.3) |
75.8 (24.3) |
66.7 (19.2) |
57.8 (14.3) |
74.8 (23.7) |
|
| Average low | 34.0 (1.1) |
36.3 (2.3) |
43.5 (6.3) |
50.7 (10.3) |
60.0 (15.5) |
67.9 (19.9) |
71.8 (22.1) |
70.6 (21.4) |
64.6 (18.1) |
51.5 (10.8) |
42.6 (5.8) |
36.1 (2.2) |
52.5 (11.3) |
||
| Charleston | Average high | 57.1 (13.9) |
59.8 (15.4) |
65.8 (18.7) |
72.9 (22.7) |
79.6 (26.4) |
84.9 (29.3) |
88.5 (31.3) |
87.1 (30.6) |
83.0 (28.3) |
75.1 (23.9) |
67.6 (19.7) |
60.0 (15.5) |
73.5 (23.0) |
|
| Average low | 42.4 (5.7) |
44.9 (7.1) |
51.5 (10.8) |
58.8 (14.8) |
67.4 (19.6) |
73.8 (23.2) |
77.0 (25.0) |
76.1 (24.5) |
72.2 (22.3) |
61.9 (16.6) |
53.4 (11.8) |
45.5 (7.5) |
60.4 (15.7) |
||
| Source: NOAA | |||||||||||||||
Read more about this topic: Climate Of South Carolina