| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| Average First Frost Date: | Frost Rare |
| Average Last Frost Date: | Frost Rare |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 34a - Northern Humid Gulf Coastal Prairies |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 77571 - La Porte, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 46 | 53 | 59 | 67 | 73 | 75 | 74 | 70 | 60 | 51 | 45 | 60 |
| Avg Max Temp (°F) | 62 | 66 | 72 | 78 | 84 | 90 | 92 | 93 | 89 | 81 | 72 | 64 | 79 |
| Avg Precip (In.) | 4.56 | 3.08 | 3.35 | 3.45 | 5.14 | 6.54 | 4.33 | 4.32 | 5.75 | 4.55 | 4.66 | 3.85 | 53.57 |