Francis, Utah has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.7 °C (low) to 14.9 °C (high). Annual precipitation averages 428.5 Millimeters. Francis is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.4 °C | 1.8 °C | 45.47 mm |
| February | -9.7 °C | 3.8 °C | 35.56 mm |
| March | -5.6 °C | 8.7 °C | 38.1 mm |
| April | -2.3 °C | 13.2 °C | 38.61 mm |
| May | 1.2 °C | 18.6 °C | 42.67 mm |
| June | 4.8 °C | 24.6 °C | 25.65 mm |
| July | 8.9 °C | 29.7 °C | 21.59 mm |
| August | 8.2 °C | 28.7 °C | 27.69 mm |
| September | 3.6 °C | 23.6 °C | 39.12 mm |
| October | -1.6 °C | 16.1 °C | 40.89 mm |
| November | -6.4 °C | 7.8 °C | 37.08 mm |
| December | -10.4 °C | 1.9 °C | 36.07 mm |
| Annual | -1.7 °C | 14.9 °C | 428.5 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 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 | Dfb - Humid Continental Mild Summer, Wet All Year |