Kent, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 45.4 °F (low) to 61.3 °F (high). Annual precipitation averages 41.8 Inches. Kent is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.6 °F | 47.7 °F | 6.11 in. |
| February | 36.7 °F | 50.4 °F | 4.0 in. |
| March | 39.3 °F | 54.3 °F | 4.65 in. |
| April | 42.8 °F | 59.7 °F | 3.44 in. |
| May | 48.2 °F | 66.4 °F | 1.93 in. |
| June | 52.8 °F | 70.6 °F | 1.84 in. |
| July | 56.4 °F | 76.9 °F | 0.91 in. |
| August | 56.6 °F | 77.5 °F | 0.95 in. |
| September | 52.5 °F | 71.6 °F | 1.65 in. |
| October | 46.0 °F | 61.0 °F | 4.07 in. |
| November | 40.2 °F | 52.4 °F | 6.32 in. |
| December | 36.3 °F | 46.9 °F | 5.94 in. |
| Annual | 45.4 °F | 61.3 °F | 41.81 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Csb - Warm-Summer Mediterranean Climate |