Council, Idaho has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 35.2 °F (low) to 62.4 °F (high). Annual precipitation averages 22.1 Inches. 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 | 18.3 °F | 34.8 °F | 3.4 in. |
| February | 21.6 °F | 41.5 °F | 2.14 in. |
| March | 28.7 °F | 51.9 °F | 2.38 in. |
| April | 33.9 °F | 60.9 °F | 1.93 in. |
| May | 41.4 °F | 71.3 °F | 2.19 in. |
| June | 47.6 °F | 79.3 °F | 1.53 in. |
| July | 54.6 °F | 91.4 °F | 0.36 in. |
| August | 52.5 °F | 90.7 °F | 0.29 in. |
| September | 43.9 °F | 80.2 °F | 0.73 in. |
| October | 33.8 °F | 64.2 °F | 1.33 in. |
| November | 25.9 °F | 46.8 °F | 2.29 in. |
| December | 19.6 °F | 35.9 °F | 3.51 in. |
| Annual | 35.2 °F | 62.4 °F | 22.08 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |