Antler, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.4 °C (low) to 10 °C (high). Annual precipitation averages 490.2 Millimeters. Antler is located in USDA Plant Hardiness Zone 3b. 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 | -19.7 °C | -9.2 °C | 17.78 mm |
| February | -17.4 °C | -6.5 °C | 16.76 mm |
| March | -10.4 °C | 0.3 °C | 22.61 mm |
| April | -2.2 °C | 11.2 °C | 25.91 mm |
| May | 4.7 °C | 18.7 °C | 62.99 mm |
| June | 10.8 °C | 23.5 °C | 96.01 mm |
| July | 13 °C | 26.4 °C | 68.07 mm |
| August | 11.6 °C | 26.7 °C | 54.86 mm |
| September | 6.3 °C | 21.4 °C | 42.67 mm |
| October | -0.9 °C | 12.1 °C | 36.83 mm |
| November | -8.8 °C | 1.5 °C | 23.88 mm |
| December | -16.2 °C | -6.3 °C | 21.84 mm |
| Annual | -2.4 °C | 10 °C | 490.21 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |