Monthly climate metrics across temperature, precipitation, wind, and UV.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 19 | 20 | 23 | 25 | 28 | 30 | 31 | 31 | 29 | 27 | 24 | 20 | 26 |
| Daily mean°C | 12 | 14 | 18 | 21 | 24 | 27 | 29 | 28 | 26 | 22 | 18 | 13 | 21 |
| Daily low°C | 6 | 7 | 11 | 14 | 18 | 24 | 26 | 25 | 21 | 15 | 10 | 4 | 15 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 19 | 21 | 25 | 27 | 32 | 35 | 37 | 36 | 34 | 29 | 25 | 20 | 28 |
| Mean feelsDaily mean feels-like°C | 9 | 11 | 15 | 20 | 25 | 29 | 32 | 32 | 28 | 22 | 15 | 10 | 21 |
| Low feelsDaily low feels-like°C | -3 | -2 | 5 | 9 | 15 | 22 | 27 | 26 | 18 | 11 | 5 | -3 | 11 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 72 | 77 | 73 | 66 | 72 | 76 | 78 | 80 | 77 | 76 | 75 | 76 | 75 |
| Dewpoint°C | 5.2 | 7.4 | 12.8 | 14.1 | 19.3 | 22.4 | 24.4 | 24.3 | 21.5 | 16.7 | 13.4 | 6.9 | 15.7 |
| Precipitation | |||||||||||||
| Rainfallmm | 80 | 86 | 97 | 95 | 68 | 135 | 202 | 209 | 111 | 43 | 77 | 56 | 1259 |
| Rain days≥1mm | 9 | 9 | 9 | 7 | 10 | 14 | 19 | 22 | 11 | 6 | 8 | 9 | 133 |
| Wind | |||||||||||||
| Wind avgm/s | 3.8 | 3.9 | 4.1 | 3.8 | 3.8 | 3.8 | 3.1 | 2.8 | 3.2 | 3.4 | 3.9 | 3.5 | 3.6 |
| Wind gustsm/s | 7.0 | 7.3 | 6.8 | 7.4 | 6.3 | 6.3 | 5.4 | 5.3 | 6.0 | 5.6 | 6.9 | 6.7 | 6.4 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 7.9 | 8.6 | 9.3 | 10.6 | 11.2 | 10.9 | 10.8 | 9.7 | 9.3 | 8.7 | 8.2 | 7.7 | 9.4 |
| Clear skyindex | 50% | 47% | 49% | 62% | 46% | 43% | 40% | 44% | 46% | 63% | 54% | 54% | 50% |
| UV indexmax avg | 2.9 | 4.0 | 5.7 | 7.5 | 8.2 | 8.1 | 8.7 | 7.7 | 6.5 | 5.3 | 3.3 | 2.7 | 5.9 |
Compared across United States
Charleston: 2.2 °C. Typical range in United States: -12.9–-0.8 °C. Low anchor: Anchorage, -21.6 °C. High anchor: Kailua, 16.7 °C.
2,121 cities tracked