JOHNSTON 4 SW, SC US
GHCN ID: USC00384607 · SC, US · 191.7 m elevation · Records 1957-2025 (68 years)
Primary station for Johnston, SC.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 55.4°F | 32.7°F | 44.0°F | 4.23 in | 0.5 in |
| February | 59.2°F | 35.2°F | 47.2°F | 3.94 in | 0.1 in |
| March | 66.9°F | 40.9°F | 53.9°F | 4.51 in | 0.2 in |
| April | 75.6°F | 48.6°F | 62.1°F | 3.18 in | — |
| May | 83.4°F | 57.3°F | 70.3°F | 3.21 in | — |
| June | 89.7°F | 65.2°F | 77.4°F | 5.12 in | — |
| July | 93.0°F | 68.7°F | 80.9°F | 4.64 in | — |
| August | 90.8°F | 67.9°F | 79.3°F | 4.96 in | — |
| September | 85.5°F | 62.3°F | 73.9°F | 3.97 in | — |
| October | 75.9°F | 51.0°F | 63.4°F | 2.98 in | — |
| November | 65.8°F | 40.4°F | 53.1°F | 3.31 in | — |
| December | 57.9°F | 34.9°F | 46.4°F | 4.42 in | 0.2 in |