Martinsburg, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.1 °F (low) to 59.8 °F (high). Annual precipitation averages 29.1 Inches. Martinsburg is located in USDA Plant Hardiness Zone 5a. 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 | 10.1 °F | 29.8 °F | 0.61 in. |
| February | 14.4 °F | 34.7 °F | 0.77 in. |
| March | 24.8 °F | 47.3 °F | 1.55 in. |
| April | 35.9 °F | 60.6 °F | 3.22 in. |
| May | 48.1 °F | 71.9 °F | 4.03 in. |
| June | 59.2 °F | 81.9 °F | 4.67 in. |
| July | 63.1 °F | 85.6 °F | 3.12 in. |
| August | 60.7 °F | 83.4 °F | 3.42 in. |
| September | 51.2 °F | 77.2 °F | 2.95 in. |
| October | 38.2 °F | 64.0 °F | 2.5 in. |
| November | 24.9 °F | 47.4 °F | 1.37 in. |
| December | 14.6 °F | 33.9 °F | 0.93 in. |
| Annual | 37.1 °F | 59.8 °F | 29.14 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |