| 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: | Frost Rare | |
| Average Last Frost Date: | No Frost | |
| Koppen-Geiger Climate Zone: | BWh - Hot Desert Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 181 - 210 days Over 86°F |
Annual Climate Data for ZIP Code 92227 - Brawley, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 43 | 47 | 53 | 59 | 67 | 74 | 75 | 70 | 58 | 45 | 39 | 56 |
| Avg Max Temp (°F) | 70 | 75 | 79 | 86 | 94 | 103 | 107 | 106 | 101 | 91 | 79 | 70 | 88 |
| Avg Precip (In.) | .49 | .44 | .38 | .08 | .05 | .01 | .08 | .4 | .28 | .25 | .18 | .41 | 3.05 |