Clinton, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 33.7 °F (low) to 60.2 °F (high). Annual precipitation averages 19.1 Inches. Clinton is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.8 °F | 36.3 °F | 0.43 in. |
| February | 14.8 °F | 38.8 °F | 0.49 in. |
| March | 23.3 °F | 49.5 °F | 1.04 in. |
| April | 31.2 °F | 57.2 °F | 2.26 in. |
| May | 41.8 °F | 67.4 °F | 2.96 in. |
| June | 52.2 °F | 78.9 °F | 3.48 in. |
| July | 58.6 °F | 86.4 °F | 2.47 in. |
| August | 56.1 °F | 84.8 °F | 1.92 in. |
| September | 45.9 °F | 76.2 °F | 1.5 in. |
| October | 32.9 °F | 61.3 °F | 1.47 in. |
| November | 21.5 °F | 47.9 °F | 0.65 in. |
| December | 13.0 °F | 37.1 °F | 0.46 in. |
| Annual | 33.7 °F | 60.2 °F | 19.13 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |