Edgeley, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.3 °C (low) to 11.3 °C (high). Annual precipitation averages 552.7 Millimeters. Edgeley is located in USDA Plant Hardiness Zone 4b. 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 | -16.7 °C | -6.8 °C | 13.46 mm |
| February | -14.6 °C | -4.3 °C | 13.46 mm |
| March | -8.1 °C | 2.5 °C | 24.38 mm |
| April | -0.9 °C | 11.7 °C | 39.12 mm |
| May | 6.4 °C | 18.9 °C | 82.3 mm |
| June | 12.6 °C | 24.2 °C | 97.54 mm |
| July | 14.9 °C | 27.2 °C | 81.79 mm |
| August | 13.4 °C | 26.7 °C | 62.74 mm |
| September | 8.2 °C | 21.9 °C | 61.72 mm |
| October | 1 °C | 13.3 °C | 44.2 mm |
| November | -6.6 °C | 3.7 °C | 16.76 mm |
| December | -13 °C | -3.9 °C | 15.24 mm |
| Annual | -0.3 °C | 11.3 °C | 552.71 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |