Raleigh, North Dakota has a Humid Continental Mild Summer With Dry Winters climate (Köppen classification: Dwb). Average annual temperatures range from 30.9 °F (low) to 54.2 °F (high). Annual precipitation averages 17.6 Inches. Raleigh 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 | 4.2 °F | 23.7 °F | 0.42 in. |
| February | 8.2 °F | 27.9 °F | 0.48 in. |
| March | 18.6 °F | 40.1 °F | 0.63 in. |
| April | 29.6 °F | 54.3 °F | 1.28 in. |
| May | 41.5 °F | 66.3 °F | 2.77 in. |
| June | 51.9 °F | 75.7 °F | 3.28 in. |
| July | 57.2 °F | 82.9 °F | 2.9 in. |
| August | 55.0 °F | 82.4 °F | 1.9 in. |
| September | 45.4 °F | 72.5 °F | 1.54 in. |
| October | 32.1 °F | 56.4 °F | 1.35 in. |
| November | 19.1 °F | 40.4 °F | 0.62 in. |
| December | 8.5 °F | 28.0 °F | 0.44 in. |
| Annual | 30.9 °F | 54.2 °F | 17.61 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 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 | Dwb - Humid Continental Mild Summer With Dry Winters |