Beach, North Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.6 °C (low) to 12.8 °C (high). Annual precipitation averages 424.2 Millimeters. Beach 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.1 °C | -3 °C | 13.21 mm |
| February | -12.2 °C | -0.8 °C | 12.95 mm |
| March | -7.1 °C | 5.5 °C | 18.03 mm |
| April | -1.4 °C | 12.4 °C | 36.07 mm |
| May | 4.6 °C | 18.1 °C | 68.07 mm |
| June | 10.1 °C | 23.6 °C | 71.88 mm |
| July | 13.2 °C | 28.7 °C | 58.67 mm |
| August | 11.9 °C | 28.6 °C | 43.94 mm |
| September | 6.8 °C | 22.7 °C | 41.91 mm |
| October | -0.1 °C | 13.5 °C | 33.78 mm |
| November | -6.9 °C | 5.2 °C | 13.21 mm |
| December | -11.9 °C | -0.9 °C | 12.45 mm |
| Annual | -0.6 °C | 12.8 °C | 424.17 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |