Tekamah, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.6 °F (low) to 60.8 °F (high). Annual precipitation averages 30.8 Inches. Tekamah is located in USDA Plant Hardiness Zone 5b. 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 | 11.7 °F | 31.0 °F | 0.69 in. |
| February | 15.5 °F | 35.5 °F | 0.89 in. |
| March | 26.4 °F | 48.9 °F | 1.71 in. |
| April | 37.5 °F | 62.1 °F | 3.68 in. |
| May | 50.0 °F | 72.7 °F | 4.4 in. |
| June | 60.8 °F | 82.8 °F | 4.58 in. |
| July | 64.4 °F | 86.0 °F | 3.07 in. |
| August | 61.7 °F | 83.8 °F | 3.69 in. |
| September | 52.3 °F | 77.8 °F | 3.3 in. |
| October | 39.4 °F | 64.7 °F | 2.22 in. |
| November | 26.8 °F | 49.2 °F | 1.46 in. |
| December | 16.5 °F | 35.3 °F | 1.08 in. |
| Annual | 38.6 °F | 60.8 °F | 30.77 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |