Walcott, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.1 °F (low) to 52 °F (high). Annual precipitation averages 23.9 Inches. Walcott 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.2 °F | 17.6 °F | 0.66 in. |
| February | 4.2 °F | 22.6 °F | 0.64 in. |
| March | 17.7 °F | 35.5 °F | 1.02 in. |
| April | 31.9 °F | 53.2 °F | 1.47 in. |
| May | 45.1 °F | 67.4 °F | 3.05 in. |
| June | 56.2 °F | 76.7 °F | 4.25 in. |
| July | 60.0 °F | 81.0 °F | 3.35 in. |
| August | 57.0 °F | 79.9 °F | 2.67 in. |
| September | 47.9 °F | 71.7 °F | 2.82 in. |
| October | 35.3 °F | 56.1 °F | 2.36 in. |
| November | 21.3 °F | 38.3 °F | 0.82 in. |
| December | 8.1 °F | 23.9 °F | 0.76 in. |
| Annual | 32.1 °F | 52 °F | 23.87 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |