Metolius, Oregon has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 35.7 °F (low) to 62.5 °F (high). Annual precipitation averages 10.2 Inches. Metolius 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.9 °F | 42.3 °F | 1.26 in. |
| February | 26.7 °F | 46.1 °F | 0.96 in. |
| March | 29.2 °F | 53.5 °F | 0.77 in. |
| April | 32.4 °F | 59.5 °F | 0.9 in. |
| May | 39.0 °F | 68.5 °F | 1.12 in. |
| June | 43.8 °F | 75.9 °F | 0.75 in. |
| July | 49.5 °F | 86.5 °F | 0.37 in. |
| August | 49.0 °F | 86.3 °F | 0.34 in. |
| September | 43.1 °F | 77.8 °F | 0.32 in. |
| October | 35.3 °F | 63.5 °F | 0.77 in. |
| November | 29.6 °F | 49.3 °F | 1.16 in. |
| December | 24.7 °F | 41.0 °F | 1.48 in. |
| Annual | 35.7 °F | 62.5 °F | 10.2 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 |