| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°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 8b: 15F to 20F |
| 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: | 78c - Umpqua Interior Foothills |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 97479 - Sutherlin, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 36 | 38 | 40 | 45 | 49 | 53 | 53 | 49 | 43 | 39 | 35 | 43 |
| Avg Max Temp (°F) | 49 | 54 | 58 | 63 | 70 | 76 | 84 | 84 | 79 | 68 | 54 | 48 | 66 |
| Avg Precip (In.) | 5.65 | 4.67 | 4.22 | 3.25 | 2.34 | 1.27 | .59 | .74 | 1.3 | 2.81 | 6.54 | 6.33 | 39.71 |