Moyie Springs, Idaho has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 2.2 °C (low) to 13.6 °C (high). Annual precipitation averages 587 Millimeters. Moyie Springs is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °C | 0.6 °C | 73.66 mm |
| February | -4.8 °C | 3.1 °C | 44.45 mm |
| March | -1.8 °C | 8.1 °C | 58.67 mm |
| April | 1.1 °C | 13.8 °C | 39.62 mm |
| May | 5.1 °C | 19.2 °C | 47.24 mm |
| June | 8.6 °C | 22.2 °C | 58.67 mm |
| July | 11.2 °C | 27.7 °C | 19.81 mm |
| August | 10.6 °C | 28.1 °C | 18.8 mm |
| September | 6.5 °C | 21.9 °C | 27.94 mm |
| October | 1.8 °C | 12.8 °C | 50.29 mm |
| November | -1.7 °C | 4.8 °C | 69.09 mm |
| December | -4.9 °C | 0.3 °C | 78.74 mm |
| Annual | 2.2 °C | 13.6 °C | 586.98 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |