Farwell, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.9 °F (low) to 62 °F (high). Annual precipitation averages 27.2 Inches. Farwell is located in USDA Plant Hardiness Zone 5b. 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 | 13.2 °F | 35.3 °F | 0.54 in. |
| February | 16.7 °F | 39.3 °F | 0.68 in. |
| March | 26.2 °F | 51.1 °F | 1.53 in. |
| April | 36.5 °F | 61.9 °F | 2.9 in. |
| May | 47.7 °F | 71.9 °F | 4.33 in. |
| June | 58.6 °F | 82.2 °F | 4.09 in. |
| July | 63.5 °F | 87.0 °F | 3.36 in. |
| August | 61.2 °F | 84.8 °F | 3.45 in. |
| September | 51.2 °F | 78.0 °F | 2.33 in. |
| October | 38.0 °F | 64.9 °F | 2.08 in. |
| November | 25.4 °F | 50.1 °F | 1.12 in. |
| December | 16.3 °F | 38.0 °F | 0.83 in. |
| Annual | 37.9 °F | 62 °F | 27.24 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |