Bickleton, Washington has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 36.8 °F (low) to 57.4 °F (high). Annual precipitation averages 14.2 Inches. Bickleton is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.2 °F | 36.8 °F | 1.97 in. |
| February | 25.6 °F | 40.2 °F | 1.55 in. |
| March | 29.6 °F | 47.2 °F | 1.31 in. |
| April | 33.8 °F | 54.9 °F | 0.93 in. |
| May | 40.4 °F | 64.6 °F | 1.14 in. |
| June | 45.4 °F | 71.5 °F | 0.75 in. |
| July | 53.1 °F | 81.7 °F | 0.2 in. |
| August | 53.2 °F | 81.3 °F | 0.24 in. |
| September | 47.0 °F | 72.7 °F | 0.35 in. |
| October | 37.5 °F | 58.2 °F | 1.19 in. |
| November | 28.9 °F | 43.9 °F | 1.82 in. |
| December | 22.9 °F | 36.0 °F | 2.72 in. |
| Annual | 36.8 °F | 57.4 °F | 14.17 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |