Dazey, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1 °C (low) to 10.3 °C (high). Annual precipitation averages 555.3 Millimeters. Dazey is located in USDA Plant Hardiness Zone 4a. 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 | -18.3 °C | -8.6 °C | 12.95 mm |
| February | -16.2 °C | -5.9 °C | 12.7 mm |
| March | -9.2 °C | 1 °C | 21.08 mm |
| April | -1.4 °C | 10.5 °C | 29.72 mm |
| May | 5.9 °C | 18.6 °C | 74.68 mm |
| June | 12.3 °C | 23.7 °C | 99.06 mm |
| July | 14.6 °C | 26.5 °C | 93.73 mm |
| August | 12.9 °C | 26.1 °C | 71.88 mm |
| September | 7.7 °C | 21.2 °C | 59.18 mm |
| October | 0.7 °C | 12.5 °C | 44.96 mm |
| November | -7.3 °C | 2.7 °C | 17.78 mm |
| December | -14.1 °C | -5.3 °C | 17.53 mm |
| Annual | -1 °C | 10.3 °C | 555.25 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |