MilBases
Weather & Climate at Shaw Air Force Base
Sumter, SC
Summary of the weather and climate in Sumter, SC:
- The average high is 76°F and the average low is 53.4°F.
- The hottest month is July with a high of 91.3°F.
- The coldest month is January with a low of 35.6°F.
- Annual rainfall is 45.31 inches; the rainiest month is June (5.39 in).
- Annual snowfall is 1.1 inches; the snowiest month is January (0.7 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (30°F – 100°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 57.6 | 35.6 | 3.88 | 0.7 | |
| February | 61.8 | 39.7 | 3.69 | 0.2 | |
| March | 70.7 | 45 | 3.93 | 0 | |
| April | 77.9 | 51.1 | 2.76 | 0 | |
| May | 83.8 | 59.5 | 3.05 | 0 | |
| June | 88.8 | 67.6 | 5.39 | 0 | |
| July | 91.3 | 70.8 | 4.9 | 0 | |
| August | 90.2 | 70 | 5.2 | 0 | |
| September | 85 | 64.9 | 3.37 | 0 | |
| October | 76.2 | 54.1 | 3.04 | 0 | |
| November | 68.7 | 44.7 | 2.85 | 0 | |
| December | 60 | 37.6 | 3.25 | 0.2 |