Pitkin, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13 °C (low) to 25.6 °C (high). Annual precipitation averages 1568.2 Millimeters. Pitkin is located in USDA Plant Hardiness Zone 9a. 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 | 3.4 °C | 15.7 °C | 157.48 mm |
| February | 5.3 °C | 17.9 °C | 119.13 mm |
| March | 8.8 °C | 22 °C | 114.05 mm |
| April | 12.6 °C | 25.6 °C | 129.79 mm |
| May | 17.3 °C | 29.4 °C | 125.22 mm |
| June | 20.9 °C | 32.5 °C | 146.3 mm |
| July | 22.1 °C | 33.6 °C | 122.94 mm |
| August | 21.9 °C | 33.9 °C | 120.14 mm |
| September | 18.9 °C | 31.7 °C | 119.13 mm |
| October | 12.8 °C | 26.8 °C | 129.29 mm |
| November | 7.3 °C | 21 °C | 143.76 mm |
| December | 4.5 °C | 16.8 °C | 140.97 mm |
| Annual | 13 °C | 25.6 °C | 1568.2 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |