Langdon, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.6 °F (low) to 67.4 °F (high). Annual precipitation averages 29.2 Inches. Langdon is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.5 °F | 43.3 °F | 0.73 in. |
| February | 24.5 °F | 47.0 °F | 1.03 in. |
| March | 34.0 °F | 57.5 °F | 2.12 in. |
| April | 42.8 °F | 66.8 °F | 2.27 in. |
| May | 53.7 °F | 75.9 °F | 4.77 in. |
| June | 63.8 °F | 86.1 °F | 4.19 in. |
| July | 68.1 °F | 90.9 °F | 3.61 in. |
| August | 66.2 °F | 88.7 °F | 3.6 in. |
| September | 58.0 °F | 81.9 °F | 2.15 in. |
| October | 45.0 °F | 69.7 °F | 2.46 in. |
| November | 33.1 °F | 56.5 °F | 1.22 in. |
| December | 24.5 °F | 44.7 °F | 1.09 in. |
| Annual | 44.6 °F | 67.4 °F | 29.24 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |