Minden, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.9 °C (low) to 24.5 °C (high). Annual precipitation averages 1437.6 Millimeters. Minden 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 | 1.6 °C | 13.8 °C | 132.33 mm |
| February | 3.2 °C | 15.9 °C | 127 mm |
| March | 7.1 °C | 20.3 °C | 140.72 mm |
| April | 11.1 °C | 24.6 °C | 136.91 mm |
| May | 16.5 °C | 28.4 °C | 122.17 mm |
| June | 20.7 °C | 32.1 °C | 123.44 mm |
| July | 22.4 °C | 33.9 °C | 99.06 mm |
| August | 21.9 °C | 34.2 °C | 83.06 mm |
| September | 18.3 °C | 31.3 °C | 99.06 mm |
| October | 11.7 °C | 25.6 °C | 124.71 mm |
| November | 6.1 °C | 19.3 °C | 108.97 mm |
| December | 2.7 °C | 14.8 °C | 140.21 mm |
| Annual | 11.9 °C | 24.5 °C | 1437.64 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |