Fremont, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -3.3 °C (low) to 15 °C (high). Annual precipitation averages 244.4 Millimeters. Fremont 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 | -13.3 °C | 3.8 °C | 15.49 mm |
| February | -10.6 °C | 5.4 °C | 14.48 mm |
| March | -7 °C | 9.6 °C | 18.03 mm |
| April | -4.3 °C | 13.3 °C | 15.24 mm |
| May | -0.2 °C | 18.4 °C | 21.08 mm |
| June | 3.8 °C | 24.6 °C | 13.97 mm |
| July | 7.7 °C | 27.8 °C | 28.96 mm |
| August | 6.8 °C | 26.3 °C | 37.34 mm |
| September | 3.6 °C | 22.6 °C | 28.7 mm |
| October | -3.4 °C | 15.9 °C | 23.88 mm |
| November | -9.4 °C | 9.1 °C | 10.92 mm |
| December | -13.7 °C | 3.5 °C | 16.26 mm |
| Annual | -3.3 °C | 15 °C | 244.35 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 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |