| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Rare |
| Average Last Frost Date: | Rare |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | 2f - Central Puget Lowland |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98340 - Hansville, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 35 | 36 | 38 | 41 | 46 | 51 | 54 | 54 | 50 | 44 | 39 | 35 | 44 |
| Avg Max Temp (°F) | 46 | 49 | 53 | 58 | 64 | 68 | 73 | 73 | 69 | 59 | 50 | 46 | 59 |
| Avg Precip (In.) | 3.68 | 2.95 | 2.91 | 2.13 | 1.85 | 1.52 | .99 | 1.04 | 1.34 | 2.27 | 4.12 | 4.11 | 28.92 |