Vici, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.2 °C (low) to 21.7 °C (high). Annual precipitation averages 701.3 Millimeters. Vici is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.2 °C | 9.4 °C | 24.64 mm |
| February | -3.8 °C | 11 °C | 27.43 mm |
| March | 1.1 °C | 16.6 °C | 57.15 mm |
| April | 6 °C | 21.3 °C | 63.5 mm |
| May | 12 °C | 26.1 °C | 97.03 mm |
| June | 17.8 °C | 31.1 °C | 91.44 mm |
| July | 20.1 °C | 33.9 °C | 65.28 mm |
| August | 19.2 °C | 33.6 °C | 70.36 mm |
| September | 14.7 °C | 29.2 °C | 66.04 mm |
| October | 7.5 °C | 22.5 °C | 69.09 mm |
| November | 0.7 °C | 15.7 °C | 32.77 mm |
| December | -4.2 °C | 9.6 °C | 36.58 mm |
| Annual | 7.2 °C | 21.7 °C | 701.31 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |