| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 3d - Valley Foothills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 97358 - Lyons, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 33 | 35 | 37 | 42 | 46 | 50 | 50 | 45 | 41 | 36 | 32 | 40 |
| Avg Max Temp (°F) | 45 | 48 | 53 | 57 | 64 | 70 | 77 | 78 | 73 | 61 | 50 | 44 | 60 |
| Avg Precip (In.) | 9.48 | 8.24 | 7.9 | 4.77 | 4.57 | 3.19 | .77 | 1.05 | 2.16 | 6.06 | 8.91 | 9.56 | 66.64 |