Dickey, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.8 °C (low) to 11.5 °C (high). Annual precipitation averages 562.9 Millimeters. Dickey 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 | -17.8 °C | -7 °C | 13.72 mm |
| February | -15.7 °C | -4.3 °C | 14.73 mm |
| March | -8.5 °C | 2.7 °C | 26.92 mm |
| April | -1.2 °C | 12.2 °C | 36.58 mm |
| May | 6.3 °C | 19.6 °C | 79.25 mm |
| June | 12.5 °C | 25 °C | 95.76 mm |
| July | 14.8 °C | 27.7 °C | 89.66 mm |
| August | 13.1 °C | 26.9 °C | 59.69 mm |
| September | 7.9 °C | 22.2 °C | 61.47 mm |
| October | 0.4 °C | 13.4 °C | 50.29 mm |
| November | -7.2 °C | 3.7 °C | 16.76 mm |
| December | -13.9 °C | -4 °C | 18.03 mm |
| Annual | -0.8 °C | 11.5 °C | 562.86 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 |