| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Nov. 21 - Nov. 30 | |
| Average Last Frost Date: | Mar. 1 - Mar. 10 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 32a - Northern Blackland Prairie | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 78148 - Universal City, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 42 | 49 | 56 | 64 | 70 | 73 | 72 | 68 | 58 | 48 | 40 | 56 |
| Avg Max Temp (°F) | 62 | 67 | 74 | 80 | 86 | 91 | 95 | 95 | 90 | 82 | 71 | 64 | 80 |
| Avg Precip (In.) | 1.78 | 1.93 | 2.04 | 2.68 | 4.65 | 4.34 | 2.01 | 2.53 | 3.11 | 3.87 | 2.8 | 2.09 | 33.81 |