| 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: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | 3c - Prairie Terraces |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 97032 - Hubbard, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 36 | 38 | 40 | 45 | 50 | 53 | 53 | 49 | 43 | 39 | 34 | 43 |
| Avg Max Temp (°F) | 47 | 52 | 56 | 61 | 68 | 74 | 81 | 82 | 76 | 65 | 53 | 47 | 63 |
| Avg Precip (In.) | 6.12 | 4.96 | 4.33 | 3.15 | 2.44 | 1.68 | .6 | .88 | 1.65 | 3.36 | 6.17 | 6.51 | 41.85 |