Beulah, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.2 °C (low) to 12.5 °C (high). Annual precipitation averages 891.3 Millimeters. Beulah is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | -1.9 °C | 58.67 mm |
| February | -8.6 °C | -0.8 °C | 41.91 mm |
| March | -5.1 °C | 4.4 °C | 50.04 mm |
| April | 0.5 °C | 11.2 °C | 79.5 mm |
| May | 6.4 °C | 18.2 °C | 83.57 mm |
| June | 12.2 °C | 23.6 °C | 80.77 mm |
| July | 15.3 °C | 26 °C | 74.68 mm |
| August | 14.7 °C | 25.3 °C | 80.52 mm |
| September | 10.7 °C | 21.6 °C | 95.5 mm |
| October | 4.9 °C | 14.3 °C | 107.95 mm |
| November | -0.2 °C | 7.1 °C | 76.71 mm |
| December | -4.7 °C | 1.2 °C | 61.47 mm |
| Annual | 3.2 °C | 12.5 °C | 891.29 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |