| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 2a - Fraser Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98247 - Everson, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 34 | 37 | 40 | 45 | 50 | 52 | 51 | 47 | 41 | 37 | 33 | 41 |
| Avg Max Temp (°F) | 43 | 48 | 53 | 59 | 65 | 69 | 74 | 75 | 70 | 59 | 49 | 43 | 59 |
| Avg Precip (In.) | 5.52 | 4.32 | 4.18 | 3.68 | 3.27 | 2.71 | 1.81 | 1.65 | 2.53 | 4.51 | 6.67 | 5.83 | 46.68 |