Alvo, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.7 °F (low) to 62 °F (high). Annual precipitation averages 31.8 Inches. Alvo is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.7 °F | 34.1 °F | 0.81 in. |
| February | 19.8 °F | 39.1 °F | 1.03 in. |
| March | 29.2 °F | 50.5 °F | 1.73 in. |
| April | 40.0 °F | 62.2 °F | 3.04 in. |
| May | 50.7 °F | 72.6 °F | 5.15 in. |
| June | 61.6 °F | 82.6 °F | 4.71 in. |
| July | 65.7 °F | 86.7 °F | 3.7 in. |
| August | 62.9 °F | 84.8 °F | 3.65 in. |
| September | 54.4 °F | 78.1 °F | 2.94 in. |
| October | 41.1 °F | 65.4 °F | 2.43 in. |
| November | 28.5 °F | 49.9 °F | 1.45 in. |
| December | 18.6 °F | 37.5 °F | 1.18 in. |
| Annual | 40.7 °F | 62 °F | 31.82 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |