| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Nov. 21 - Nov. 30 | |
| Average Last Frost Date: | Mar. 1 - Mar. 10 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 95363 - Patterson, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 41 | 44 | 47 | 52 | 57 | 60 | 60 | 57 | 51 | 42 | 37 | 49 |
| Avg Max Temp (°F) | 54 | 62 | 67 | 74 | 82 | 90 | 94 | 92 | 88 | 79 | 65 | 55 | 75 |
| Avg Precip (In.) | 2.44 | 2.2 | 1.93 | .7 | .43 | .05 | .03 | .03 | .27 | .64 | 1.29 | 1.48 | 11.48 |