Madras, Oregon has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 35.8 °F (low) to 63.6 °F (high). Annual precipitation averages 10.5 Inches. Madras is located in USDA Plant Hardiness Zone 7a. 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 | 25.8 °F | 43.3 °F | 1.3 in. |
| February | 26.5 °F | 47.3 °F | 0.99 in. |
| March | 29.1 °F | 54.7 °F | 0.82 in. |
| April | 32.6 °F | 60.5 °F | 1.01 in. |
| May | 39.2 °F | 69.7 °F | 1.17 in. |
| June | 44.5 °F | 76.9 °F | 0.76 in. |
| July | 50.2 °F | 87.7 °F | 0.36 in. |
| August | 49.2 °F | 87.3 °F | 0.32 in. |
| September | 43.1 °F | 78.7 °F | 0.34 in. |
| October | 35.1 °F | 64.2 °F | 0.78 in. |
| November | 29.2 °F | 50.4 °F | 1.15 in. |
| December | 24.7 °F | 41.9 °F | 1.51 in. |
| Annual | 35.8 °F | 63.6 °F | 10.51 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |