Paynesville, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.8 °C (low) to 11.6 °C (high). Annual precipitation averages 743 Millimeters. Paynesville is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.2 °C | -6.3 °C | 18.29 mm |
| February | -14.3 °C | -3.7 °C | 19.81 mm |
| March | -7.1 °C | 3.3 °C | 37.85 mm |
| April | 0.4 °C | 11.9 °C | 62.74 mm |
| May | 7.7 °C | 19.4 °C | 88.9 mm |
| June | 13.6 °C | 24.8 °C | 117.6 mm |
| July | 16 °C | 27.3 °C | 107.7 mm |
| August | 14.4 °C | 25.9 °C | 101.35 mm |
| September | 9.7 °C | 21.9 °C | 69.85 mm |
| October | 2.4 °C | 13.7 °C | 62.23 mm |
| November | -4.8 °C | 4.3 °C | 33.02 mm |
| December | -12 °C | -3.2 °C | 23.62 mm |
| Annual | 0.8 °C | 11.6 °C | 742.96 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |