Fontanelle, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 60.5 °F (high). Annual precipitation averages 31.1 Inches. Fontanelle 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.3 °F | 31.6 °F | 0.68 in. |
| February | 17.1 °F | 36.0 °F | 0.92 in. |
| March | 27.6 °F | 48.6 °F | 1.68 in. |
| April | 38.5 °F | 61.5 °F | 3.2 in. |
| May | 50.5 °F | 71.8 °F | 4.62 in. |
| June | 61.7 °F | 82.0 °F | 4.91 in. |
| July | 65.5 °F | 85.3 °F | 3.25 in. |
| August | 63.2 °F | 83.3 °F | 3.82 in. |
| September | 53.7 °F | 77.1 °F | 3.25 in. |
| October | 41.0 °F | 64.4 °F | 2.25 in. |
| November | 28.3 °F | 48.8 °F | 1.36 in. |
| December | 18.2 °F | 35.9 °F | 1.14 in. |
| Annual | 39.9 °F | 60.5 °F | 31.08 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |