Longton, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.6 °F (low) to 68.5 °F (high). Annual precipitation averages 42.2 Inches. Longton 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 | 21.7 °F | 44.2 °F | 1.31 in. |
| February | 25.3 °F | 49.0 °F | 1.68 in. |
| March | 34.5 °F | 59.0 °F | 2.77 in. |
| April | 44.8 °F | 68.5 °F | 4.44 in. |
| May | 55.5 °F | 76.4 °F | 5.94 in. |
| June | 65.0 °F | 85.3 °F | 6.12 in. |
| July | 69.2 °F | 90.6 °F | 4.38 in. |
| August | 67.2 °F | 90.3 °F | 3.9 in. |
| September | 58.5 °F | 82.4 °F | 3.9 in. |
| October | 46.0 °F | 71.2 °F | 3.67 in. |
| November | 34.6 °F | 58.4 °F | 2.25 in. |
| December | 25.2 °F | 47.0 °F | 1.8 in. |
| Annual | 45.6 °F | 68.5 °F | 42.16 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |