Peru, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.9 °F (low) to 62.9 °F (high). Annual precipitation averages 33.7 Inches. Peru 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.6 °F | 34.2 °F | 0.79 in. |
| February | 18.8 °F | 39.4 °F | 1.11 in. |
| March | 29.3 °F | 52.3 °F | 1.96 in. |
| April | 39.8 °F | 63.9 °F | 3.16 in. |
| May | 51.9 °F | 74.0 °F | 5.33 in. |
| June | 62.2 °F | 83.2 °F | 4.77 in. |
| July | 66.0 °F | 86.8 °F | 4.37 in. |
| August | 63.5 °F | 85.4 °F | 3.52 in. |
| September | 54.0 °F | 79.1 °F | 3.18 in. |
| October | 41.8 °F | 67.0 °F | 2.59 in. |
| November | 29.2 °F | 51.2 °F | 1.73 in. |
| December | 19.5 °F | 38.8 °F | 1.21 in. |
| Annual | 40.9 °F | 62.9 °F | 33.72 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 5b : -15°F to -10°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 |