Oakes, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.4 °F (low) to 52.8 °F (high). Annual precipitation averages 23.5 Inches. Oakes 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.8 °F | 19.6 °F | 0.52 in. |
| February | 4.8 °F | 24.7 °F | 0.64 in. |
| March | 17.4 °F | 37.3 °F | 1.05 in. |
| April | 30.6 °F | 53.4 °F | 1.7 in. |
| May | 44.1 °F | 67.1 °F | 3.22 in. |
| June | 55.2 °F | 76.5 °F | 4.19 in. |
| July | 59.2 °F | 81.5 °F | 3.54 in. |
| August | 56.3 °F | 80.6 °F | 2.43 in. |
| September | 46.7 °F | 72.1 °F | 2.66 in. |
| October | 33.5 °F | 56.6 °F | 2.19 in. |
| November | 19.8 °F | 38.9 °F | 0.66 in. |
| December | 8.0 °F | 25.4 °F | 0.66 in. |
| Annual | 31.4 °F | 52.8 °F | 23.46 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |