Umapine, Oregon has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 41.7 °F (low) to 65 °F (high). Annual precipitation averages 13.7 Inches. Umapine is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.0 °F | 42.1 °F | 1.62 in. |
| February | 30.6 °F | 47.7 °F | 1.31 in. |
| March | 35.1 °F | 56.9 °F | 1.37 in. |
| April | 40.0 °F | 64.3 °F | 1.22 in. |
| May | 46.5 °F | 72.8 °F | 1.4 in. |
| June | 52.5 °F | 79.8 °F | 1.01 in. |
| July | 57.9 °F | 89.9 °F | 0.4 in. |
| August | 56.9 °F | 89.5 °F | 0.32 in. |
| September | 49.2 °F | 79.9 °F | 0.48 in. |
| October | 40.3 °F | 65.3 °F | 1.19 in. |
| November | 33.5 °F | 50.4 °F | 1.69 in. |
| December | 28.7 °F | 41.5 °F | 1.67 in. |
| Annual | 41.7 °F | 65 °F | 13.68 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 | BSk - Cold Semi-Arid Climate |