Pioneer, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.1 °C (low) to 24.2 °C (high). Annual precipitation averages 1456.9 Millimeters. Pioneer is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °C | 12.8 °C | 143.51 mm |
| February | 3.5 °C | 15.3 °C | 130.56 mm |
| March | 7.4 °C | 19.7 °C | 134.11 mm |
| April | 11.9 °C | 24.4 °C | 156.46 mm |
| May | 16.9 °C | 28.6 °C | 123.95 mm |
| June | 20.8 °C | 32.1 °C | 101.35 mm |
| July | 22.3 °C | 33.6 °C | 102.62 mm |
| August | 21.8 °C | 33.7 °C | 103.63 mm |
| September | 18.1 °C | 31.2 °C | 88.39 mm |
| October | 11.7 °C | 25.9 °C | 112.78 mm |
| November | 6.3 °C | 19.1 °C | 117.09 mm |
| December | 3.1 °C | 14.2 °C | 142.49 mm |
| Annual | 12.1 °C | 24.2 °C | 1456.94 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |