| 2023 Hardiness Zone: | 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: | Jan. 21 - Jan. 31 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | BSh - Hot Semi-Arid Climate | |
| Ecoregion: | 31c - Texas-Tamaulipan Thornscrub | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 181 - 210 days Over 86°F |
Annual Climate Data for ZIP Code 78046 - Laredo, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 44 | 49 | 56 | 62 | 70 | 74 | 75 | 75 | 71 | 63 | 53 | 46 | 61 |
| Avg Max Temp (°F) | 67 | 72 | 80 | 87 | 92 | 97 | 99 | 99 | 93 | 86 | 76 | 68 | 85 |
| Avg Precip (In.) | .82 | .99 | .95 | 1.55 | 2.72 | 3 | 1.67 | 2.37 | 2.79 | 2.64 | 1.14 | .86 | 21.5 |