test = Nov. 21 - Nov. 30 ZIP Code 78739 - Austin, Texas Hardiness Zones

ZIP Code 78739 Hardiness Zones and Climate Data

ZIP Code 78739 - Austin Texas is in 2023 USDA Hardiness Zones 8b (15°F to 20°F) and 9a (20°F to 25°F)

Additional Gardening Related Climate Data for ZIP Code 78739 - Austin, Texas

2023 Hardiness Zone:Zone 8b: 15°F to 20°F
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. 11 - Mar. 20
Koppen-Geiger Climate Zone:Cfa - Humid Subtropical Climate
Ecoregion:30c - Balcones Canyonlands
Current Drought Status:Exceptional Drought
Heat Zone Days: 121 - 150 days Over 86°F

Annual Climate Data for ZIP Code 78739 - Austin, TX

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)38414956647073726758484056
Avg Max Temp (°F)60657379859195959081706279
Avg Precip (In.)1.962.142.212.674.934.171.972.373.174.032.922.4134.94

Source Data:

2025 plantmaps.com