Lofall, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.2 °C (low) to 15.6 °C (high). Annual precipitation averages 1012 Millimeters. Lofall is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °C | 8.1 °C | 163.83 mm |
| February | 1.7 °C | 9.4 °C | 87.63 mm |
| March | 2.9 °C | 11.8 °C | 107.95 mm |
| April | 4.7 °C | 14.8 °C | 68.83 mm |
| May | 7.6 °C | 18.5 °C | 53.09 mm |
| June | 9.9 °C | 20.7 °C | 42.42 mm |
| July | 11.7 °C | 24.1 °C | 22.86 mm |
| August | 11.8 °C | 24.4 °C | 25.91 mm |
| September | 9.8 °C | 21.3 °C | 45.47 mm |
| October | 6.7 °C | 15.8 °C | 82.55 mm |
| November | 3.6 °C | 10.5 °C | 147.83 mm |
| December | 1.7 °C | 7.7 °C | 163.58 mm |
| Annual | 6.2 °C | 15.6 °C | 1011.95 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |