Selfridge, North Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 32.2 °F (low) to 54 °F (high). Annual precipitation averages 18.5 Inches. 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 | 5.1 °F | 23.4 °F | 0.46 in. |
| February | 9.3 °F | 27.8 °F | 0.58 in. |
| March | 19.1 °F | 39.7 °F | 0.92 in. |
| April | 30.6 °F | 53.9 °F | 1.5 in. |
| May | 42.8 °F | 65.8 °F | 2.68 in. |
| June | 53.1 °F | 75.5 °F | 3.26 in. |
| July | 58.8 °F | 82.5 °F | 2.86 in. |
| August | 56.5 °F | 82.0 °F | 1.88 in. |
| September | 46.9 °F | 72.7 °F | 1.49 in. |
| October | 33.7 °F | 56.4 °F | 1.66 in. |
| November | 20.3 °F | 40.5 °F | 0.66 in. |
| December | 10.0 °F | 28.0 °F | 0.53 in. |
| Annual | 32.2 °F | 54 °F | 18.48 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |