| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| Average First Frost Date: | Dec. 11 - Dec. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 95232 - Glencoe, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 36 | 38 | 41 | 46 | 52 | 57 | 57 | 53 | 46 | 38 | 33 | 44 |
| Avg Max Temp (°F) | 54 | 59 | 62 | 68 | 76 | 86 | 93 | 92 | 87 | 76 | 61 | 53 | 72 |
| Avg Precip (In.) | 8.19 | 6.76 | 5.93 | 3.61 | 2.23 | .63 | .08 | .12 | .53 | 2.11 | 4.44 | 6.27 | 40.89 |