| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8a: 10°F to 15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8a: 10°F to 15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Sep.11 - Sep. 20 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 96056 - McArthur, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 26 | 27 | 29 | 33 | 39 | 44 | 51 | 49 | 44 | 36 | 29 | 24 | 36 |
| Avg Max Temp (°F) | 43 | 45 | 50 | 56 | 63 | 72 | 81 | 82 | 75 | 63 | 49 | 42 | 60 |
| Avg Precip (In.) | 2.89 | 1.86 | 1.81 | 1.43 | 2 | 1.43 | .41 | .66 | .76 | 1.34 | 2.4 | 2.77 | 19.76 |