Antelope, Oregon has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 36 °F (low) to 62.2 °F (high). Annual precipitation averages 13.5 Inches. Antelope 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 | 42.6 °F | 1.51 in. |
| February | 26.8 °F | 46.2 °F | 1.25 in. |
| March | 29.8 °F | 53.0 °F | 1.1 in. |
| April | 33.0 °F | 58.8 °F | 1.23 in. |
| May | 39.1 °F | 67.9 °F | 1.59 in. |
| June | 44.4 °F | 75.4 °F | 1.04 in. |
| July | 49.5 °F | 86.2 °F | 0.32 in. |
| August | 49.0 °F | 86.0 °F | 0.34 in. |
| September | 43.9 °F | 77.1 °F | 0.47 in. |
| October | 36.2 °F | 63.0 °F | 1.17 in. |
| November | 29.4 °F | 49.5 °F | 1.54 in. |
| December | 24.8 °F | 41.2 °F | 1.92 in. |
| Annual | 36 °F | 62.2 °F | 13.48 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 |