Oberon, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.3 °C (low) to 10.1 °C (high). Annual precipitation averages 499.4 Millimeters. 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 | -18.3 °C | -8.6 °C | 10.41 mm |
| February | -16.3 °C | -6.1 °C | 9.91 mm |
| March | -9.6 °C | 0.6 °C | 17.27 mm |
| April | -1.7 °C | 10.6 °C | 26.42 mm |
| May | 5.6 °C | 18.6 °C | 67.06 mm |
| June | 11.9 °C | 23.6 °C | 102.11 mm |
| July | 14.3 °C | 26.6 °C | 85.6 mm |
| August | 12.8 °C | 26.4 °C | 61.72 mm |
| September | 7.7 °C | 21.2 °C | 48.77 mm |
| October | 0.5 °C | 12.2 °C | 37.85 mm |
| November | -7.6 °C | 2.1 °C | 17.53 mm |
| December | -14.7 °C | -5.8 °C | 14.73 mm |
| Annual | -1.3 °C | 10.1 °C | 499.38 mm |
| 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 : -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 |