| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | Jun. 11 - Jun. 20 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 2e - Eastern Puget Uplands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98252 - Granite Falls, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 34 | 36 | 39 | 45 | 50 | 53 | 53 | 48 | 42 | 37 | 33 | 42 |
| Avg Max Temp (°F) | 45 | 49 | 53 | 59 | 64 | 69 | 74 | 75 | 70 | 61 | 50 | 45 | 60 |
| Avg Precip (In.) | 6.61 | 5.09 | 5.49 | 4.47 | 3.69 | 2.96 | 1.75 | 1.79 | 2.92 | 4.83 | 7.39 | 7.29 | 54.26 |