Laurier, Washington has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.1 °F (low) to 58.5 °F (high). Annual precipitation averages 20.6 Inches. Laurier is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 31.7 °F | 2.11 in. |
| February | 23.1 °F | 38.2 °F | 1.3 in. |
| March | 28.6 °F | 49.3 °F | 1.77 in. |
| April | 34.3 °F | 60.0 °F | 1.73 in. |
| May | 42.0 °F | 69.6 °F | 2.3 in. |
| June | 48.1 °F | 75.5 °F | 2.44 in. |
| July | 52.9 °F | 85.4 °F | 1.22 in. |
| August | 52.0 °F | 86.2 °F | 0.68 in. |
| September | 44.6 °F | 75.7 °F | 0.93 in. |
| October | 35.5 °F | 57.5 °F | 1.6 in. |
| November | 28.6 °F | 41.3 °F | 2.01 in. |
| December | 22.1 °F | 32.0 °F | 2.51 in. |
| Annual | 36.1 °F | 58.5 °F | 20.6 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |