Cameron, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16.8 °C (low) to 24.6 °C (high). Annual precipitation averages 1523.5 Millimeters. Cameron is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.1 °C | 15.5 °C | 149.61 mm |
| February | 9.2 °C | 17.4 °C | 92.96 mm |
| March | 12.8 °C | 20.8 °C | 84.58 mm |
| April | 16.8 °C | 24.1 °C | 120.14 mm |
| May | 21.3 °C | 27.8 °C | 109.98 mm |
| June | 24.4 °C | 30.8 °C | 181.61 mm |
| July | 25.3 °C | 31.8 °C | 161.8 mm |
| August | 24.8 °C | 32.3 °C | 148.08 mm |
| September | 22.4 °C | 30.4 °C | 146.81 mm |
| October | 17.4 °C | 26.4 °C | 100.33 mm |
| November | 12 °C | 20.9 °C | 113.28 mm |
| December | 8.2 °C | 16.8 °C | 114.3 mm |
| Annual | 16.8 °C | 24.6 °C | 1523.48 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |