Lismore, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.5 °C (low) to 12.5 °C (high). Annual precipitation averages 760.7 Millimeters. Lismore 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 | -14.5 °C | -5 °C | 19.05 mm |
| February | -12.4 °C | -2.4 °C | 22.35 mm |
| March | -6.1 °C | 4.4 °C | 38.35 mm |
| April | 0.8 °C | 12.8 °C | 75.18 mm |
| May | 8 °C | 20 °C | 100.33 mm |
| June | 14.3 °C | 25.6 °C | 119.13 mm |
| July | 16.3 °C | 27.9 °C | 89.92 mm |
| August | 14.9 °C | 26.3 °C | 87.12 mm |
| September | 10.1 °C | 22.6 °C | 86.11 mm |
| October | 2.6 °C | 14.8 °C | 61.21 mm |
| November | -4.8 °C | 5.4 °C | 34.54 mm |
| December | -11.2 °C | -2.4 °C | 27.43 mm |
| Annual | 1.5 °C | 12.5 °C | 760.72 mm |
| 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 : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |