Saline, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.1 °C (low) to 25 °C (high). Annual precipitation averages 1465.1 Millimeters. Saline is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.2 °C | 14.3 °C | 141.73 mm |
| February | 3.8 °C | 16.7 °C | 131.06 mm |
| March | 7.5 °C | 20.9 °C | 135.89 mm |
| April | 11.5 °C | 24.9 °C | 140.21 mm |
| May | 16.6 °C | 28.9 °C | 120.65 mm |
| June | 20.7 °C | 32.4 °C | 117.35 mm |
| July | 22.2 °C | 33.9 °C | 103.89 mm |
| August | 21.8 °C | 34.3 °C | 94.23 mm |
| September | 18.2 °C | 31.6 °C | 95 mm |
| October | 11.8 °C | 26.2 °C | 115.06 mm |
| November | 6.3 °C | 19.9 °C | 123.7 mm |
| December | 3.1 °C | 15.4 °C | 146.3 mm |
| Annual | 12.1 °C | 25 °C | 1465.07 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |