| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 9b: 25°F to 30°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 9b: 25°F to 30°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 21 - Jun. 30 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 95666 - Pioneer, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 37 | 40 | 46 | 52 | 57 | 56 | 53 | 46 | 37 | 33 | 44 |
| Avg Max Temp (°F) | 53 | 58 | 61 | 67 | 75 | 84 | 92 | 91 | 86 | 76 | 60 | 52 | 71 |
| Avg Precip (In.) | 8.7 | 7.29 | 6.51 | 3.76 | 2.29 | .67 | .08 | .12 | .59 | 2.29 | 4.96 | 6.6 | 43.87 |