Lucien, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 22 °C (high). Annual precipitation averages 897.1 Millimeters. Lucien is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.1 °C | 9 °C | 29.46 mm |
| February | -2.6 °C | 11 °C | 37.34 mm |
| March | 2.3 °C | 16.6 °C | 64.01 mm |
| April | 7.3 °C | 21.6 °C | 96.52 mm |
| May | 13.4 °C | 26.3 °C | 123.95 mm |
| June | 18.8 °C | 31.6 °C | 119.89 mm |
| July | 21.3 °C | 34.4 °C | 88.39 mm |
| August | 20.4 °C | 34.2 °C | 88.39 mm |
| September | 16.1 °C | 29.9 °C | 78.49 mm |
| October | 8.9 °C | 23.2 °C | 81.53 mm |
| November | 2.4 °C | 16.1 °C | 48.51 mm |
| December | -2.9 °C | 9.6 °C | 40.64 mm |
| Annual | 8.4 °C | 22 °C | 897.12 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |