Beaver, Utah has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.3 °C (low) to 17.6 °C (high). Annual precipitation averages 335.3 Millimeters. Beaver is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.4 °C | 5.1 °C | 22.61 mm |
| February | -7.6 °C | 7.1 °C | 26.42 mm |
| March | -4.4 °C | 11.9 °C | 27.69 mm |
| April | -1.8 °C | 15.6 °C | 30.99 mm |
| May | 2.4 °C | 21.1 °C | 29.72 mm |
| June | 6.9 °C | 27.9 °C | 25.4 mm |
| July | 11.2 °C | 31.4 °C | 30.73 mm |
| August | 10.5 °C | 30.2 °C | 33.02 mm |
| September | 5.7 °C | 25.8 °C | 27.43 mm |
| October | -0.6 °C | 18.7 °C | 29.46 mm |
| November | -6 °C | 11.3 °C | 23.37 mm |
| December | -10 °C | 4.9 °C | 28.45 mm |
| Annual | -0.3 °C | 17.6 °C | 335.29 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 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 | Extreme Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |