Gorham, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.7 °F (low) to 67.2 °F (high). Annual precipitation averages 25.6 Inches. Gorham is located in USDA Plant Hardiness Zone 6b. 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 | 18.1 °F | 42.0 °F | 0.66 in. |
| February | 21.0 °F | 46.1 °F | 0.85 in. |
| March | 30.0 °F | 56.7 °F | 1.36 in. |
| April | 39.1 °F | 66.1 °F | 2.1 in. |
| May | 50.9 °F | 75.7 °F | 3.64 in. |
| June | 61.9 °F | 87.1 °F | 3.25 in. |
| July | 66.7 °F | 92.2 °F | 3.93 in. |
| August | 64.6 °F | 89.7 °F | 3.64 in. |
| September | 55.7 °F | 82.1 °F | 2.41 in. |
| October | 41.9 °F | 69.4 °F | 1.92 in. |
| November | 29.5 °F | 55.4 °F | 0.96 in. |
| December | 20.4 °F | 43.6 °F | 0.87 in. |
| Annual | 41.7 °F | 67.2 °F | 25.59 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 6b : -5°F to 0°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 |