Woodland, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43.7 °F (low) to 63 °F (high). Annual precipitation averages 43.5 Inches. 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 | 35.2 °F | 46.7 °F | 6.02 in. |
| February | 35.1 °F | 50.6 °F | 4.51 in. |
| March | 38.0 °F | 55.5 °F | 4.91 in. |
| April | 41.1 °F | 61.2 °F | 3.76 in. |
| May | 46.7 °F | 68.5 °F | 2.68 in. |
| June | 50.8 °F | 73.0 °F | 1.85 in. |
| July | 54.9 °F | 80.6 °F | 0.48 in. |
| August | 54.8 °F | 81.8 °F | 0.67 in. |
| September | 50.5 °F | 76.0 °F | 1.74 in. |
| October | 44.0 °F | 63.7 °F | 3.94 in. |
| November | 38.8 °F | 52.5 °F | 6.24 in. |
| December | 35.0 °F | 45.8 °F | 6.72 in. |
| Annual | 43.7 °F | 63 °F | 43.52 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |