Selfridge, North Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 0.1 °C (low) to 12.3 °C (high). Annual precipitation averages 469.4 Millimeters. Selfridge is located in USDA Plant Hardiness Zone 4b. 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 | -14.9 °C | -4.8 °C | 11.68 mm |
| February | -12.6 °C | -2.3 °C | 14.73 mm |
| March | -7.2 °C | 4.3 °C | 23.37 mm |
| April | -0.8 °C | 12.2 °C | 38.1 mm |
| May | 6 °C | 18.8 °C | 68.07 mm |
| June | 11.7 °C | 24.2 °C | 82.8 mm |
| July | 14.9 °C | 28.1 °C | 72.64 mm |
| August | 13.6 °C | 27.8 °C | 47.75 mm |
| September | 8.3 °C | 22.6 °C | 37.85 mm |
| October | 0.9 °C | 13.6 °C | 42.16 mm |
| November | -6.5 °C | 4.7 °C | 16.76 mm |
| December | -12.2 °C | -2.2 °C | 13.46 mm |
| Annual | 0.1 °C | 12.3 °C | 469.37 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 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |