Lynch, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.4 °F (low) to 61 °F (high). Annual precipitation averages 25.2 Inches. Lynch is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.9 °F | 32.4 °F | 0.46 in. |
| February | 13.3 °F | 37.2 °F | 0.65 in. |
| March | 23.8 °F | 48.9 °F | 1.19 in. |
| April | 34.8 °F | 60.5 °F | 3.19 in. |
| May | 46.8 °F | 71.5 °F | 3.9 in. |
| June | 57.8 °F | 81.6 °F | 3.62 in. |
| July | 63.2 °F | 88.4 °F | 3.02 in. |
| August | 60.9 °F | 86.0 °F | 3.16 in. |
| September | 51.0 °F | 78.3 °F | 2.45 in. |
| October | 37.0 °F | 63.7 °F | 2.14 in. |
| November | 24.1 °F | 48.3 °F | 0.81 in. |
| December | 13.7 °F | 35.6 °F | 0.57 in. |
| Annual | 36.4 °F | 61 °F | 25.16 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°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 |