Juntura, Oregon has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 36.1 °F (low) to 64.9 °F (high). Annual precipitation averages 9.7 Inches. Juntura is located in USDA Plant Hardiness Zone 6b. 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 | 20.6 °F | 38.1 °F | 1.14 in. |
| February | 23.9 °F | 45.2 °F | 0.76 in. |
| March | 29.4 °F | 55.4 °F | 0.95 in. |
| April | 33.6 °F | 63.4 °F | 0.81 in. |
| May | 42.0 °F | 72.8 °F | 1.24 in. |
| June | 48.8 °F | 81.6 °F | 0.84 in. |
| July | 55.7 °F | 92.9 °F | 0.36 in. |
| August | 53.3 °F | 91.9 °F | 0.23 in. |
| September | 45.0 °F | 82.1 °F | 0.31 in. |
| October | 34.6 °F | 67.2 °F | 0.71 in. |
| November | 26.0 °F | 49.8 °F | 0.95 in. |
| December | 20.8 °F | 38.4 °F | 1.37 in. |
| Annual | 36.1 °F | 64.9 °F | 9.67 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |