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Frost Dates for Austin, Texas, United States of America

Coordinates: 30.267, -97.743

Growing Season

The last spring air frost in Austin, Texas, United States of America typically occurs around Feb 22, and the first autumn air frost around Nov 10. This gives a frost-free growing season of approximately 262 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 8b, where the average annual extreme minimum temperature is -9.4 to -6.7°C (15 to 20°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is January, with an average low of 6°C (43°F). The warmest month is August, with an average high of 37°C (99°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Feb 22 (last spring) to Nov 10 (first autumn). Light ground frost (-1°C / 30°F): Feb 6 (last spring) to Dec 1 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 8b

... and the frost data for your area is ...

Current Risk Level: Unlikely (Safest)

for today based on past data only.

We predict a frost free growing season at your location from Feb 22 to Nov 10, which provides approximately 260 frost free days.

For the less tender plants, or if you are planning to protect your plants with fleece etc, your growing season could stretch from Feb 6 to Dec 1, which provides a total of 298 days for growing.

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