Concrete, Washington has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 40.7 °F (low) to 57.8 °F (high). Annual precipitation averages 72.9 Inches. Concrete is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.3 °F | 40.7 °F | 10.57 in. |
| February | 31.7 °F | 44.8 °F | 6.85 in. |
| March | 33.9 °F | 50.2 °F | 7.8 in. |
| April | 38.0 °F | 57.1 °F | 5.15 in. |
| May | 43.6 °F | 64.8 °F | 3.52 in. |
| June | 48.3 °F | 68.7 °F | 2.73 in. |
| July | 52.0 °F | 75.5 °F | 1.28 in. |
| August | 52.5 °F | 76.7 °F | 1.5 in. |
| September | 48.2 °F | 70.0 °F | 3.39 in. |
| October | 41.6 °F | 57.9 °F | 7.58 in. |
| November | 35.7 °F | 46.5 °F | 11.92 in. |
| December | 31.6 °F | 40.3 °F | 10.62 in. |
| Annual | 40.7 °F | 57.8 °F | 72.91 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 | Normal |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |