Wollochet, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43.3 °F (low) to 60.2 °F (high). Annual precipitation averages 46.4 Inches. Wollochet is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.3 °F | 46.8 °F | 7.07 in. |
| February | 35.1 °F | 49.4 °F | 4.39 in. |
| March | 37.4 °F | 53.6 °F | 5.39 in. |
| April | 40.5 °F | 58.1 °F | 3.5 in. |
| May | 45.9 °F | 65.0 °F | 2.07 in. |
| June | 50.5 °F | 69.6 °F | 1.41 in. |
| July | 54.0 °F | 75.8 °F | 0.59 in. |
| August | 54.1 °F | 76.5 °F | 0.91 in. |
| September | 50.0 °F | 70.7 °F | 1.51 in. |
| October | 44.0 °F | 59.6 °F | 4.93 in. |
| November | 38.4 °F | 51.3 °F | 7.16 in. |
| December | 34.9 °F | 45.9 °F | 7.5 in. |
| Annual | 43.3 °F | 60.2 °F | 46.43 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |