| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Sep.11 - Sep. 20 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer |
| Ecoregion: | 11k - Blue Mountain Basins |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 97827 - Elgin, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 24 | 28 | 32 | 38 | 43 | 46 | 45 | 38 | 31 | 28 | 22 | 33 |
| Avg Max Temp (°F) | 37 | 43 | 51 | 59 | 67 | 75 | 83 | 84 | 75 | 63 | 46 | 38 | 60 |
| Avg Precip (In.) | 3.01 | 2.46 | 2.06 | 1.86 | 1.9 | 1.56 | .76 | .69 | .99 | 1.62 | 3.13 | 3.23 | 23.28 |