Pipestone, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.2 °C (low) to 12.4 °C (high). Annual precipitation averages 703.1 Millimeters. Pipestone 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 | -14.8 °C | -5.1 °C | 14.48 mm |
| February | -12.8 °C | -2.4 °C | 18.8 mm |
| March | -6.3 °C | 4.2 °C | 33.53 mm |
| April | 0.6 °C | 12.7 °C | 72.64 mm |
| May | 7.8 °C | 19.6 °C | 94.49 mm |
| June | 13.9 °C | 25.3 °C | 112.52 mm |
| July | 16.2 °C | 27.8 °C | 85.6 mm |
| August | 14.6 °C | 26.3 °C | 84.07 mm |
| September | 9.7 °C | 22.5 °C | 81.03 mm |
| October | 2.3 °C | 14.7 °C | 55.63 mm |
| November | -5.2 °C | 5.4 °C | 28.7 mm |
| December | -11.5 °C | -2.5 °C | 21.59 mm |
| Annual | 1.2 °C | 12.4 °C | 703.08 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 | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |