Gascoyne, North Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.8 °C (low) to 13.2 °C (high). Annual precipitation averages 415.8 Millimeters. Gascoyne is located in USDA Plant Hardiness Zone 4b. 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 | -14.2 °C | -2.4 °C | 8.89 mm |
| February | -12.4 °C | -0.3 °C | 10.41 mm |
| March | -7.4 °C | 5.7 °C | 18.29 mm |
| April | -1.8 °C | 12.6 °C | 34.8 mm |
| May | 4.6 °C | 18.6 °C | 67.06 mm |
| June | 10.2 °C | 24.2 °C | 84.33 mm |
| July | 13.3 °C | 28.9 °C | 55.63 mm |
| August | 11.8 °C | 28.8 °C | 39.12 mm |
| September | 6.4 °C | 23.3 °C | 37.34 mm |
| October | -0.5 °C | 14.2 °C | 37.34 mm |
| November | -7.2 °C | 5.8 °C | 12.7 mm |
| December | -12.4 °C | -0.6 °C | 9.91 mm |
| Annual | -0.8 °C | 13.2 °C | 415.82 mm |
| 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 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |