
| Month | Low | High |
|---|---|---|
| Jan | 41.2°F | 60.6°F |
| Feb | 44.3°F | 64.5°F |
| Mar | 50.8°F | 71.3°F |
| Apr | 57.2°F | 77.4°F |
| May | 65.7°F | 84.1°F |
| Jun | 72.1°F | 88.9°F |
| Jul | 74.3°F | 91.0°F |
| Aug | 73.6°F | 91.3°F |
| Sept | 69.1°F | 87.7°F |
| Oct | 58.6°F | 80.5°F |
| Nov | 49.7°F | 70.6°F |
| Dec | 43.3°F | 63.3°F |
Lake Charles's coldest month is January when the average temperature overnight is 41.2°F. In August, the warmest month, the average day time temperature rises to 91.3°F.

| Month | Precipitation |
|---|---|
| Jan | 5.52in. |
| Feb | 3.28in. |
| Mar | 3.54in. |
| Apr | 3.64in. |
| May | 6.06in. |
| Jun | 6.07in. |
| Jul | 5.12in. |
| Aug | 4.85in. |
| Sept | 5.95in. |
| Oct | 3.94in. |
| Nov | 4.61in. |
| Dec | 4.60in. |
The driest month in Lake Charles is February with 3.28 inches of precipitation, and with 6.07 inches June is the wettest month.