Checked
Duncan, SC Climate
1991 to 2020 normals at Greer, 5.6 mi from the center of Duncan, elevation 940 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 53° | 32° | 4.12 in | 1.6 in | |
| February | 57° | 35° | 3.84 in | 1.0 in | |
| March | 64° | 41° | 4.48 in | 0.6 in | |
| April | 73° | 49° | 4.04 in | 0.0 in | |
| May | 80° | 58° | 4.07 in | 0.0 in | |
| June | 87° | 66° | 3.90 in | 0.0 in | |
| July | 90° | 69° | 4.82 in | 0.0 in | |
| August | 89° | 68° | 4.66 in | 0.0 in | |
| September | 83° | 62° | 3.73 in | 0.0 in | |
| October | 73° | 50° | 3.59 in | 0.0 in | |
| November | 63° | 40° | 3.84 in | 0.1 in | |
| December | 55° | 35° | 4.58 in | 0.6 in | |
| Year | 72° | 49.67 in | 3.9 in |
Frequently asked questions
- What is the hottest month in Duncan, SC?
- July is the warmest month, with a normal high of 90°F at Greer.
- What is the coldest month in Duncan, SC?
- January is the coldest month, with a normal low of 32°F.
- What is the wettest month in Duncan, SC?
- July has the most precipitation on average, about 4.82 inches.