Oakesdale, Washington has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 2.3 °C (low) to 14.9 °C (high). Annual precipitation averages 524.3 Millimeters. Oakesdale is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.7 °C | 2.8 °C | 65.79 mm |
| February | -3.1 °C | 5.2 °C | 46.74 mm |
| March | -1 °C | 9.4 °C | 55.88 mm |
| April | 1.4 °C | 13.7 °C | 44.96 mm |
| May | 4.8 °C | 18.8 °C | 48.01 mm |
| June | 7.7 °C | 22.2 °C | 39.12 mm |
| July | 9.7 °C | 28.6 °C | 14.73 mm |
| August | 9.5 °C | 29.1 °C | 12.45 mm |
| September | 5.9 °C | 23.8 °C | 17.02 mm |
| October | 1.8 °C | 15.4 °C | 43.18 mm |
| November | -1.2 °C | 7.1 °C | 65.28 mm |
| December | -4.2 °C | 2.2 °C | 71.12 mm |
| Annual | 2.3 °C | 14.9 °C | 524.28 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 | Dsb - Humid Continental Climate - Dry Cool Summer |