Waverly, Washington has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 2.2 °C (low) to 14.7 °C (high). Annual precipitation averages 521.7 Millimeters. Waverly 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. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.1 °C | 2.4 °C | 64.52 mm |
| February | -3.6 °C | 4.8 °C | 45.72 mm |
| March | -1.4 °C | 9.2 °C | 55.88 mm |
| April | 1.3 °C | 13.7 °C | 43.18 mm |
| May | 4.9 °C | 18.8 °C | 48.51 mm |
| June | 8.1 °C | 22.3 °C | 39.88 mm |
| July | 10.3 °C | 28.7 °C | 13.97 mm |
| August | 10 °C | 29 °C | 12.7 mm |
| September | 5.9 °C | 23.6 °C | 17.02 mm |
| October | 1.5 °C | 15.2 °C | 42.93 mm |
| November | -1.6 °C | 6.8 °C | 65.53 mm |
| December | -4.4 °C | 1.8 °C | 71.88 mm |
| Annual | 2.2 °C | 14.7 °C | 521.72 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| 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 |