Ravenna, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.9 °F (low) to 62.4 °F (high). Annual precipitation averages 26.3 Inches. Ravenna is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.8 °F | 36.0 °F | 0.51 in. |
| February | 16.9 °F | 39.8 °F | 0.64 in. |
| March | 26.2 °F | 51.6 °F | 1.45 in. |
| April | 36.4 °F | 62.4 °F | 2.77 in. |
| May | 47.6 °F | 72.2 °F | 4.26 in. |
| June | 58.6 °F | 82.5 °F | 4.18 in. |
| July | 63.5 °F | 86.9 °F | 3.27 in. |
| August | 61.3 °F | 84.8 °F | 3.35 in. |
| September | 51.3 °F | 78.2 °F | 2.07 in. |
| October | 37.9 °F | 65.4 °F | 2.09 in. |
| November | 25.4 °F | 50.7 °F | 0.95 in. |
| December | 16.4 °F | 38.6 °F | 0.72 in. |
| Annual | 37.9 °F | 62.4 °F | 26.26 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |