New Meadows, Idaho has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 30.2 °F (low) to 57.7 °F (high). Annual precipitation averages 23.2 Inches. New Meadows is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Aug. 11 - Aug. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.9 °F | 32.6 °F | 2.96 in. |
| February | 16.8 °F | 38.1 °F | 2.05 in. |
| March | 23.4 °F | 46.9 °F | 2.5 in. |
| April | 29.4 °F | 54.9 °F | 2.02 in. |
| May | 36.6 °F | 65.4 °F | 2.17 in. |
| June | 42.4 °F | 73.3 °F | 2.0 in. |
| July | 48.3 °F | 85.4 °F | 0.54 in. |
| August | 46.1 °F | 85.4 °F | 0.61 in. |
| September | 38.3 °F | 75.2 °F | 0.92 in. |
| October | 29.7 °F | 59.6 °F | 1.65 in. |
| November | 22.5 °F | 43.3 °F | 2.33 in. |
| December | 15.1 °F | 32.6 °F | 3.41 in. |
| Annual | 30.2 °F | 57.7 °F | 23.16 in. |
| Average First Frost Date | Aug. 11 - Aug. 20 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |