Jet, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8 °C (low) to 21.9 °C (high). Annual precipitation averages 823.7 Millimeters. Jet 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.9 °C | 8.6 °C | 25.15 mm |
| February | -3.1 °C | 10.8 °C | 29.46 mm |
| March | 1.9 °C | 16.4 °C | 56.13 mm |
| April | 6.7 °C | 21.4 °C | 76.71 mm |
| May | 13 °C | 26.7 °C | 111.51 mm |
| June | 18.7 °C | 32.3 °C | 118.11 mm |
| July | 21.2 °C | 35.2 °C | 86.87 mm |
| August | 20.3 °C | 34.3 °C | 96.27 mm |
| September | 15.7 °C | 29.9 °C | 66.04 mm |
| October | 8.4 °C | 23 °C | 81.79 mm |
| November | 1.7 °C | 15.5 °C | 40.64 mm |
| December | -3.6 °C | 9.2 °C | 35.05 mm |
| Annual | 8 °C | 21.9 °C | 823.73 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |