Council, Idaho has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 1.8 °C (low) to 16.9 °C (high). Annual precipitation averages 560.8 Millimeters. Council is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.6 °C | 1.6 °C | 86.36 mm |
| February | -5.8 °C | 5.3 °C | 54.36 mm |
| March | -1.8 °C | 11.1 °C | 60.45 mm |
| April | 1.1 °C | 16.1 °C | 49.02 mm |
| May | 5.2 °C | 21.8 °C | 55.63 mm |
| June | 8.7 °C | 26.3 °C | 38.86 mm |
| July | 12.6 °C | 33 °C | 9.14 mm |
| August | 11.4 °C | 32.6 °C | 7.37 mm |
| September | 6.6 °C | 26.8 °C | 18.54 mm |
| October | 1 °C | 17.9 °C | 33.78 mm |
| November | -3.4 °C | 8.2 °C | 58.17 mm |
| December | -6.9 °C | 2.2 °C | 89.15 mm |
| Annual | 1.8 °C | 16.9 °C | 560.83 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |