| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Dwb - Humid Continental Mild Summer With Dry Winters | |
| Ecoregion: | 43a - Missouri Plateau | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 58523 - Beulah, ND | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 0 | 9 | 19 | 30 | 42 | 51 | 55 | 54 | 43 | 32 | 18 | 6 | 30 |
| Avg Max Temp (°F) | 22 | 29 | 41 | 57 | 71 | 79 | 85 | 85 | 73 | 59 | 39 | 26 | 55 |
| Avg Precip (In.) | .34 | .42 | .73 | 1.69 | 2.23 | 3.28 | 2.41 | 1.57 | 1.59 | 1.34 | .7 | .39 | 16.69 |