Zurich, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -1.4 °C (low) to 13.8 °C (high). Annual precipitation averages 319.3 Millimeters. Zurich is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15 °C | -2.5 °C | 10.92 mm |
| February | -13.3 °C | 0 °C | 9.14 mm |
| March | -7.5 °C | 6.4 °C | 11.18 mm |
| April | -1.3 °C | 14.4 °C | 25.91 mm |
| May | 4.2 °C | 19.9 °C | 52.58 mm |
| June | 9.2 °C | 24.7 °C | 71.88 mm |
| July | 12.2 °C | 29.7 °C | 41.15 mm |
| August | 11.1 °C | 29.6 °C | 27.18 mm |
| September | 5.4 °C | 23.3 °C | 27.94 mm |
| October | -1.2 °C | 14.6 °C | 18.29 mm |
| November | -7.8 °C | 5.9 °C | 13.97 mm |
| December | -13.3 °C | -0.4 °C | 9.14 mm |
| Annual | -1.4 °C | 13.8 °C | 319.28 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |