| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | Dec. 11 - Dec. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 95035 - Milpitas, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 42 | 44 | 45 | 50 | 54 | 57 | 57 | 55 | 51 | 44 | 39 | 48 |
| Avg Max Temp (°F) | 57 | 61 | 64 | 69 | 74 | 80 | 84 | 84 | 82 | 75 | 64 | 57 | 71 |
| Avg Precip (In.) | 4.67 | 4.57 | 4.26 | 1.53 | .61 | .12 | .06 | .09 | .31 | 1.26 | 3.1 | 3.17 | 23.75 |