Staples, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.8 °F (low) to 51.3 °F (high). Annual precipitation averages 27.5 Inches. Staples is located in USDA Plant Hardiness Zone 4a. 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 | -0.4 °F | 18.7 °F | 0.63 in. |
| February | 2.7 °F | 23.9 °F | 0.72 in. |
| March | 16.2 °F | 36.8 °F | 1.1 in. |
| April | 30.0 °F | 52.3 °F | 2.2 in. |
| May | 43.1 °F | 65.4 °F | 3.55 in. |
| June | 53.7 °F | 74.7 °F | 4.37 in. |
| July | 58.4 °F | 80.0 °F | 4.29 in. |
| August | 55.3 °F | 77.9 °F | 3.18 in. |
| September | 47.1 °F | 69.6 °F | 2.86 in. |
| October | 34.5 °F | 54.3 °F | 2.7 in. |
| November | 21.5 °F | 38.2 °F | 0.98 in. |
| December | 8.0 °F | 24.2 °F | 0.89 in. |
| Annual | 30.8 °F | 51.3 °F | 27.47 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 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |