| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer |
| Ecoregion: | 11n - Deschutes River Valley |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 97734 - Culver, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 28 | 31 | 37 | 42 | 46 | 46 | 40 | 33 | 29 | 24 | 34 |
| Avg Max Temp (°F) | 41 | 47 | 54 | 60 | 68 | 77 | 85 | 85 | 77 | 64 | 49 | 41 | 62 |
| Avg Precip (In.) | 1.39 | .98 | .96 | .81 | .92 | .71 | .44 | .57 | .45 | .72 | 1.44 | 1.27 | 10.66 |