Woodland, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.5 °C (low) to 17.2 °C (high). Annual precipitation averages 1105.4 Millimeters. Woodland is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °C | 8.2 °C | 152.91 mm |
| February | 1.7 °C | 10.3 °C | 114.55 mm |
| March | 3.3 °C | 13.1 °C | 124.71 mm |
| April | 5.1 °C | 16.2 °C | 95.5 mm |
| May | 8.2 °C | 20.3 °C | 68.07 mm |
| June | 10.4 °C | 22.8 °C | 46.99 mm |
| July | 12.7 °C | 27 °C | 12.19 mm |
| August | 12.7 °C | 27.7 °C | 17.02 mm |
| September | 10.3 °C | 24.4 °C | 44.2 mm |
| October | 6.7 °C | 17.6 °C | 100.08 mm |
| November | 3.8 °C | 11.4 °C | 158.5 mm |
| December | 1.7 °C | 7.7 °C | 170.69 mm |
| Annual | 6.5 °C | 17.2 °C | 1105.41 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |