Randolph, 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 60.2 °F (high). Annual precipitation averages 28 Inches. Randolph 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 | 11.1 °F | 31.8 °F | 0.57 in. |
| February | 15.0 °F | 36.7 °F | 0.75 in. |
| March | 24.9 °F | 48.5 °F | 1.43 in. |
| April | 35.6 °F | 60.1 °F | 3.06 in. |
| May | 47.6 °F | 71.5 °F | 4.35 in. |
| June | 58.7 °F | 81.3 °F | 4.23 in. |
| July | 63.1 °F | 85.4 °F | 2.95 in. |
| August | 60.7 °F | 83.1 °F | 3.44 in. |
| September | 51.3 °F | 76.7 °F | 2.94 in. |
| October | 38.0 °F | 63.7 °F | 2.43 in. |
| November | 24.7 °F | 48.4 °F | 1.11 in. |
| December | 14.8 °F | 35.1 °F | 0.77 in. |
| Annual | 37.1 °F | 60.2 °F | 28.03 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |