Antelope, Oregon has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 2.2 °C (low) to 16.8 °C (high). Annual precipitation averages 342.4 Millimeters. 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 | -3.4 °C | 5.9 °C | 38.35 mm |
| February | -2.9 °C | 7.9 °C | 31.75 mm |
| March | -1.2 °C | 11.7 °C | 27.94 mm |
| April | 0.6 °C | 14.9 °C | 31.24 mm |
| May | 3.9 °C | 19.9 °C | 40.39 mm |
| June | 6.9 °C | 24.1 °C | 26.42 mm |
| July | 9.7 °C | 30.1 °C | 8.13 mm |
| August | 9.4 °C | 30 °C | 8.64 mm |
| September | 6.6 °C | 25.1 °C | 11.94 mm |
| October | 2.3 °C | 17.2 °C | 29.72 mm |
| November | -1.4 °C | 9.7 °C | 39.12 mm |
| December | -4 °C | 5.1 °C | 48.77 mm |
| Annual | 2.2 °C | 16.8 °C | 342.41 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |