Max, North Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 29.9 °F (low) to 50.8 °F (high). Annual precipitation averages 18.6 Inches. Max 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 | 0.5 °F | 18.1 °F | 0.54 in. |
| February | 3.9 °F | 22.8 °F | 0.48 in. |
| March | 16.0 °F | 35.2 °F | 0.76 in. |
| April | 28.8 °F | 51.4 °F | 1.06 in. |
| May | 41.7 °F | 64.6 °F | 2.73 in. |
| June | 52.6 °F | 74.0 °F | 3.71 in. |
| July | 57.1 °F | 80.4 °F | 2.77 in. |
| August | 54.9 °F | 80.4 °F | 2.26 in. |
| September | 45.2 °F | 70.1 °F | 1.69 in. |
| October | 32.1 °F | 53.3 °F | 1.3 in. |
| November | 18.6 °F | 36.5 °F | 0.68 in. |
| December | 7.2 °F | 23.3 °F | 0.58 in. |
| Annual | 29.9 °F | 50.8 °F | 18.56 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 | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |