| 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 | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 3a - Portland/Vancouver Basin | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98604 - Battle Ground, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 34 | 36 | 39 | 44 | 48 | 51 | 51 | 47 | 41 | 37 | 33 | 41 |
| Avg Max Temp (°F) | 46 | 50 | 55 | 60 | 66 | 72 | 78 | 79 | 75 | 64 | 52 | 45 | 62 |
| Avg Precip (In.) | 6.97 | 5.84 | 5.38 | 4.1 | 3.19 | 2.39 | .99 | 1.28 | 2.41 | 4.11 | 7.76 | 7.93 | 52.35 |