| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 2b - Eastern Puget Riverine Lowlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98232 - Bow, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 37 | 40 | 45 | 49 | 51 | 52 | 48 | 42 | 38 | 34 | 42 |
| Avg Max Temp (°F) | 45 | 49 | 53 | 58 | 64 | 68 | 73 | 74 | 69 | 60 | 50 | 45 | 59 |
| Avg Precip (In.) | 4.46 | 3.27 | 3.02 | 2.78 | 2.4 | 2.06 | 1.36 | 1.29 | 1.93 | 3.13 | 5.23 | 4.57 | 35.5 |