Carrington, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.1 °C (low) to 10.4 °C (high). Annual precipitation averages 511.1 Millimeters. Carrington 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 | -17.7 °C | -7.9 °C | 14.22 mm |
| February | -15.7 °C | -5.4 °C | 11.94 mm |
| March | -9.1 °C | 1.4 °C | 19.3 mm |
| April | -1.6 °C | 10.7 °C | 27.69 mm |
| May | 5.6 °C | 18.6 °C | 65.79 mm |
| June | 11.9 °C | 23.8 °C | 92.71 mm |
| July | 14.3 °C | 26.5 °C | 90.42 mm |
| August | 12.8 °C | 26.3 °C | 63.25 mm |
| September | 7.7 °C | 21.3 °C | 48.51 mm |
| October | 0.6 °C | 12.3 °C | 41.4 mm |
| November | -7.3 °C | 2.6 °C | 17.53 mm |
| December | -14.1 °C | -5.2 °C | 18.29 mm |
| Annual | -1.1 °C | 10.4 °C | 511.05 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 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |