| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| Average First Frost Date: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | 1a - Coastal Lowlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 97439 - Florence, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 38 | 39 | 40 | 44 | 48 | 50 | 51 | 49 | 44 | 41 | 37 | 43 |
| Avg Max Temp (°F) | 51 | 54 | 56 | 58 | 62 | 66 | 69 | 70 | 70 | 63 | 55 | 51 | 61 |
| Avg Precip (In.) | 11.9 | 9.54 | 9.02 | 5.36 | 3.87 | 2.34 | .84 | 1.09 | 2.27 | 5.61 | 10.82 | 12.13 | 74.79 |