Sumter Climate: Weather by Month and Best Time to Visit
Best months for Sumter: October, April, May, November.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 14°C | 3°C | 88 mm | 9 | – | – | 6.6 |
| February | 16°C | 5°C | 84 mm | 9 | – | – | 7.0 |
| March | 20°C | 8°C | 86 mm | 9 | – | – | 7.5 |
| April | 25°C | 13°C | 86 mm | 8 | – | – | 7.9 |
| May | 28°C | 17°C | 79 mm | 10 | – | – | 7.8 |
| June | 31°C | 22°C | 107 mm | 14 | – | – | 6.5 |
| July | 33°C | 23°C | 119 mm | 16 | – | – | 5.7 |
| August | 32°C | 23°C | 121 mm | 15 | – | – | 6.1 |
| September | 29°C | 20°C | 106 mm | 10 | – | – | 7.6 |
| October | 24°C | 13°C | 84 mm | 8 | – | – | 8.1 |
| November | 19°C | 8°C | 71 mm | 7 | – | – | 7.7 |
| December | 15°C | 5°C | 93 mm | 9 | – | – | 6.8 |