Jewell, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.4 °F (low) to 65.1 °F (high). Annual precipitation averages 27.3 Inches. Jewell is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.8 °F | 38.3 °F | 0.66 in. |
| February | 20.1 °F | 43.0 °F | 0.79 in. |
| March | 29.4 °F | 54.5 °F | 1.45 in. |
| April | 39.6 °F | 64.8 °F | 2.52 in. |
| May | 51.0 °F | 74.5 °F | 3.95 in. |
| June | 62.0 °F | 85.5 °F | 3.77 in. |
| July | 66.7 °F | 90.6 °F | 4.35 in. |
| August | 64.5 °F | 87.7 °F | 3.34 in. |
| September | 55.0 °F | 80.6 °F | 2.44 in. |
| October | 42.1 °F | 67.9 °F | 1.81 in. |
| November | 29.6 °F | 53.0 °F | 1.19 in. |
| December | 20.2 °F | 40.9 °F | 0.98 in. |
| Annual | 41.4 °F | 65.1 °F | 27.25 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |