| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 6b: -5°F to 0°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 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 96064 - Montague, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 27 | 30 | 34 | 40 | 46 | 52 | 51 | 44 | 36 | 29 | 25 | 36 |
| Avg Max Temp (°F) | 45 | 50 | 56 | 62 | 73 | 81 | 90 | 90 | 82 | 69 | 52 | 44 | 66 |
| Avg Precip (In.) | 2.59 | 1.66 | 1.24 | .77 | 1.17 | .86 | .37 | .32 | .56 | 1.23 | 1.8 | 2.62 | 15.19 |