ZIP Code 77303 Hardiness Zones and Climate Data
ZIP Code 77303 - Conroe Texas is in 2023 USDA Hardiness Zones 9a (20°F to 25°F)
Additional Gardening Related Climate Data for ZIP Code 77303 - Conroe, Texas
| 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: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 35e - Southern Tertiary Uplands |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 77303 - Conroe, TX | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Avg Min Temp (°F) | 40 | 43 | 50 | 57 | 65 | 71 | 73 | 72 | 67 | 58 | 49 | 41 | 57 |
| Avg Max Temp (°F) | 61 | 65 | 72 | 79 | 85 | 91 | 95 | 95 | 89 | 81 | 70 | 62 | 79 |
| Avg Precip (In.) | 4.22 | 3.09 | 3.21 | 3.75 | 5.47 | 4.77 | 3.19 | 3.66 | 4.58 | 4.54 | 4.69 | 4.31 | 49.48 |
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Source Data:
- 77303 ZIP Code Border provided by Zipdatamaps.com