Paisley, Oregon has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 0.6 °C (low) to 16.7 °C (high). Annual precipitation averages 272.6 Millimeters. Paisley is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.4 °C | 5.8 °C | 35.05 mm |
| February | -4.4 °C | 7.7 °C | 23.62 mm |
| March | -2.7 °C | 10.6 °C | 25.4 mm |
| April | -0.7 °C | 14.3 °C | 28.96 mm |
| May | 2.8 °C | 19.4 °C | 35.31 mm |
| June | 5.7 °C | 24.3 °C | 17.02 mm |
| July | 9 °C | 30.2 °C | 8.13 mm |
| August | 8.2 °C | 29.6 °C | 8.89 mm |
| September | 4.3 °C | 25.4 °C | 10.16 mm |
| October | -0.1 °C | 18.1 °C | 17.78 mm |
| November | -3.4 °C | 9.8 °C | 25.15 mm |
| December | -5.9 °C | 4.8 °C | 37.08 mm |
| Annual | 0.6 °C | 16.7 °C | 272.55 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |