Amidon, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.2 °F (low) to 55.5 °F (high). Annual precipitation averages 14.8 Inches. Amidon 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 | 7.1 °F | 27.0 °F | 0.32 in. |
| February | 10.3 °F | 31.1 °F | 0.33 in. |
| March | 19.3 °F | 41.8 °F | 0.62 in. |
| April | 29.3 °F | 54.1 °F | 1.06 in. |
| May | 40.6 °F | 65.1 °F | 2.44 in. |
| June | 50.4 °F | 75.5 °F | 2.85 in. |
| July | 56.3 °F | 84.2 °F | 2.07 in. |
| August | 54.0 °F | 84.5 °F | 1.37 in. |
| September | 44.5 °F | 73.5 °F | 1.73 in. |
| October | 32.1 °F | 56.9 °F | 1.23 in. |
| November | 20.1 °F | 41.8 °F | 0.46 in. |
| December | 10.7 °F | 30.9 °F | 0.33 in. |
| Annual | 31.2 °F | 55.5 °F | 14.81 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 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 | Dfb - Humid Continental Mild Summer, Wet All Year |