| 2023 Hardiness Zone: | Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 10a: 30F to 35F | |
| Average First Frost Date: | Frost Rare | |
| Average Last Frost Date: | Frost Rare | |
| 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 92231 - Calexico, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 44 | 48 | 53 | 60 | 68 | 76 | 77 | 71 | 59 | 47 | 40 | 57 |
| Avg Max Temp (°F) | 70 | 74 | 79 | 86 | 93 | 103 | 107 | 105 | 101 | 90 | 78 | 69 | 88 |
| Avg Precip (In.) | .45 | .34 | .29 | .06 | .03 | 0 | .13 | .4 | .32 | .3 | .12 | .44 | 2.9 |