Warm Springs, Oregon has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 37 °F (low) to 64.9 °F (high). Annual precipitation averages 10.3 Inches. Warm Springs is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.2 °F | 43.6 °F | 1.47 in. |
| February | 27.2 °F | 48.4 °F | 1.11 in. |
| March | 30.2 °F | 55.7 °F | 0.76 in. |
| April | 34.1 °F | 62.5 °F | 0.88 in. |
| May | 40.8 °F | 71.4 °F | 0.99 in. |
| June | 46.4 °F | 78.9 °F | 0.73 in. |
| July | 52.0 °F | 89.7 °F | 0.33 in. |
| August | 50.9 °F | 89.1 °F | 0.29 in. |
| September | 44.7 °F | 80.3 °F | 0.26 in. |
| October | 36.3 °F | 65.7 °F | 0.7 in. |
| November | 30.0 °F | 51.1 °F | 1.16 in. |
| December | 25.5 °F | 42.0 °F | 1.61 in. |
| Annual | 37 °F | 64.9 °F | 10.29 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |