Bluebell, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.4 °C (low) to 14.3 °C (high). Annual precipitation averages 240.3 Millimeters. Bluebell is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.9 °C | -0.9 °C | 17.02 mm |
| February | -10 °C | 2.4 °C | 13.72 mm |
| March | -4.7 °C | 9.3 °C | 13.46 mm |
| April | -1.3 °C | 14.1 °C | 21.08 mm |
| May | 3.7 °C | 19.2 °C | 27.18 mm |
| June | 8.1 °C | 25.3 °C | 18.8 mm |
| July | 12.1 °C | 29.4 °C | 16.76 mm |
| August | 11.1 °C | 28.1 °C | 24.89 mm |
| September | 6.4 °C | 23 °C | 31.75 mm |
| October | 0.1 °C | 15.3 °C | 26.16 mm |
| November | -5.9 °C | 6.8 °C | 13.72 mm |
| December | -11.9 °C | -0.2 °C | 15.75 mm |
| Annual | -0.4 °C | 14.3 °C | 240.29 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |