Ludden, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.7 °F (low) to 52.9 °F (high). Annual precipitation averages 23.1 Inches. Ludden is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.9 °F | 19.7 °F | 0.53 in. |
| February | 5.2 °F | 24.8 °F | 0.61 in. |
| March | 17.7 °F | 37.4 °F | 0.96 in. |
| April | 30.9 °F | 53.7 °F | 1.72 in. |
| May | 44.4 °F | 67.3 °F | 3.28 in. |
| June | 55.4 °F | 76.7 °F | 4.06 in. |
| July | 59.5 °F | 81.6 °F | 3.52 in. |
| August | 56.7 °F | 80.5 °F | 2.37 in. |
| September | 47.1 °F | 72.1 °F | 2.58 in. |
| October | 33.8 °F | 56.7 °F | 2.14 in. |
| November | 20.1 °F | 39.0 °F | 0.68 in. |
| December | 8.2 °F | 25.5 °F | 0.65 in. |
| Annual | 31.7 °F | 52.9 °F | 23.1 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |