Otis, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.1 °F (low) to 67.6 °F (high). Annual precipitation averages 26.4 Inches. Otis 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 | 18.6 °F | 42.7 °F | 0.69 in. |
| February | 21.6 °F | 47.0 °F | 0.95 in. |
| March | 30.8 °F | 57.3 °F | 1.52 in. |
| April | 39.8 °F | 66.4 °F | 2.14 in. |
| May | 51.3 °F | 76.2 °F | 4.29 in. |
| June | 62.1 °F | 87.3 °F | 3.56 in. |
| July | 66.7 °F | 92.2 °F | 3.98 in. |
| August | 64.6 °F | 89.9 °F | 3.62 in. |
| September | 56.4 °F | 82.5 °F | 1.92 in. |
| October | 42.6 °F | 69.9 °F | 1.84 in. |
| November | 30.2 °F | 56.0 °F | 0.96 in. |
| December | 20.9 °F | 44.1 °F | 0.93 in. |
| Annual | 42.1 °F | 67.6 °F | 26.4 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 |