Monroe, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.8 °F (low) to 61.4 °F (high). Annual precipitation averages 28.3 Inches. Monroe 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 | 13.0 °F | 32.9 °F | 0.63 in. |
| February | 17.0 °F | 37.6 °F | 0.7 in. |
| March | 27.0 °F | 49.8 °F | 1.6 in. |
| April | 37.5 °F | 62.0 °F | 2.91 in. |
| May | 49.4 °F | 72.6 °F | 4.62 in. |
| June | 60.2 °F | 82.6 °F | 4.53 in. |
| July | 64.4 °F | 86.5 °F | 3.22 in. |
| August | 61.9 °F | 84.1 °F | 3.29 in. |
| September | 52.6 °F | 77.9 °F | 2.51 in. |
| October | 39.4 °F | 65.0 °F | 2.14 in. |
| November | 26.4 °F | 49.4 °F | 1.25 in. |
| December | 16.5 °F | 36.6 °F | 0.86 in. |
| Annual | 38.8 °F | 61.4 °F | 28.26 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 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |