Overland, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.5 °F (low) to 62.5 °F (high). Annual precipitation averages 27.9 Inches. Overland 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 | 34.8 °F | 0.69 in. |
| February | 18.3 °F | 39.1 °F | 0.77 in. |
| March | 27.7 °F | 51.3 °F | 1.45 in. |
| April | 38.1 °F | 63.0 °F | 2.88 in. |
| May | 49.7 °F | 73.4 °F | 4.73 in. |
| June | 60.4 °F | 83.0 °F | 4.04 in. |
| July | 64.7 °F | 86.8 °F | 3.35 in. |
| August | 62.4 °F | 84.8 °F | 3.21 in. |
| September | 53.0 °F | 78.7 °F | 2.43 in. |
| October | 40.2 °F | 66.5 °F | 2.2 in. |
| November | 27.4 °F | 50.8 °F | 1.3 in. |
| December | 18.0 °F | 38.1 °F | 0.87 in. |
| Annual | 39.5 °F | 62.5 °F | 27.92 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 |