Oberon, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.7 °F (low) to 50.2 °F (high). Annual precipitation averages 19.7 Inches. Oberon 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 | -1.0 °F | 16.5 °F | 0.41 in. |
| February | 2.6 °F | 21.1 °F | 0.39 in. |
| March | 14.8 °F | 33.1 °F | 0.68 in. |
| April | 28.9 °F | 51.0 °F | 1.04 in. |
| May | 42.0 °F | 65.4 °F | 2.64 in. |
| June | 53.4 °F | 74.5 °F | 4.02 in. |
| July | 57.7 °F | 79.8 °F | 3.37 in. |
| August | 55.1 °F | 79.5 °F | 2.43 in. |
| September | 45.9 °F | 70.2 °F | 1.92 in. |
| October | 32.9 °F | 53.9 °F | 1.49 in. |
| November | 18.4 °F | 35.7 °F | 0.69 in. |
| December | 5.6 °F | 21.5 °F | 0.58 in. |
| Annual | 29.7 °F | 50.2 °F | 19.66 in. |
| 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 : -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 |