Checked
Union, SC Climate
1991 to 2020 normals at Santuck, 8.5 mi from the center of Union, elevation 520 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 55° | 31° | 3.88 in | 1.4 in | |
| February | 59° | 34° | 3.55 in | 0.8 in | |
| March | 67° | 40° | 4.18 in | 0.4 in | |
| April | 76° | 48° | 3.42 in | 0.0 in | |
| May | 83° | 57° | 3.26 in | 0.0 in | |
| June | 89° | 64° | 3.97 in | 0.0 in | |
| July | 92° | 68° | 3.13 in | 0.0 in | |
| August | 90° | 67° | 4.31 in | 0.0 in | |
| September | 83° | 61° | 4.04 in | 0.0 in | |
| October | 74° | 50° | 3.28 in | 0.0 in | |
| November | 64° | 39° | 3.54 in | 0.0 in | |
| December | 56° | 34° | 4.02 in | 0.3 in | |
| Year | 74° | 44.58 in | 2.9 in |
Frequently asked questions
- What is the hottest month in Union, SC?
- July is the warmest month, with a normal high of 92°F at Santuck.
- What is the coldest month in Union, SC?
- January is the coldest month, with a normal low of 31°F.
- What is the wettest month in Union, SC?
- August has the most precipitation on average, about 4.31 inches.