Tuttle, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.1 °F (low) to 51.5 °F (high). Annual precipitation averages 18.5 Inches. Tuttle 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 | 0.3 °F | 18.9 °F | 0.42 in. |
| February | 4.1 °F | 23.4 °F | 0.42 in. |
| March | 16.2 °F | 35.7 °F | 0.59 in. |
| April | 29.2 °F | 52.4 °F | 1.13 in. |
| May | 42.0 °F | 65.3 °F | 2.54 in. |
| June | 52.9 °F | 74.6 °F | 3.37 in. |
| July | 57.8 °F | 80.7 °F | 3.36 in. |
| August | 55.0 °F | 80.2 °F | 2.19 in. |
| September | 45.8 °F | 70.7 °F | 1.9 in. |
| October | 32.5 °F | 54.8 °F | 1.45 in. |
| November | 18.3 °F | 37.7 °F | 0.58 in. |
| December | 6.8 °F | 24.0 °F | 0.57 in. |
| Annual | 30.1 °F | 51.5 °F | 18.52 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |