Zap, North Dakota has a Humid Continental Mild Summer With Dry Winters climate (Köppen classification: Dwb). Average annual temperatures range from 29.6 °F (low) to 54.1 °F (high). Annual precipitation averages 17.6 Inches. Zap is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.7 °F | 21.6 °F | 0.35 in. |
| February | 5.9 °F | 26.7 °F | 0.48 in. |
| March | 17.0 °F | 39.2 °F | 0.57 in. |
| April | 28.5 °F | 55.3 °F | 1.25 in. |
| May | 40.5 °F | 67.2 °F | 2.71 in. |
| June | 50.9 °F | 75.9 °F | 3.58 in. |
| July | 56.0 °F | 83.3 °F | 2.62 in. |
| August | 53.9 °F | 83.8 °F | 1.89 in. |
| September | 43.7 °F | 73.3 °F | 1.65 in. |
| October | 31.4 °F | 56.8 °F | 1.33 in. |
| November | 18.4 °F | 39.7 °F | 0.63 in. |
| December | 7.6 °F | 26.4 °F | 0.52 in. |
| Annual | 29.6 °F | 54.1 °F | 17.58 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 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 | Dwb - Humid Continental Mild Summer With Dry Winters |