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Frost Dates for Fresno, California, United States of America

Coordinates: 36.748, -119.771

Growing Season

The last spring air frost in Fresno, California, United States of America typically occurs around Apr 12, and the first autumn air frost around Oct 17. This gives a frost-free growing season of approximately 188 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 July, with an average high of 39°C (102°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Apr 12 (last spring) to Oct 17 (first autumn). Light ground frost (-1°C / 30°F): Mar 17 (last spring) to Nov 2 (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: Air Frost possible

for today based on past data only.

We predict a frost free growing season at your location from Apr 12 to Oct 17, which provides approximately 187 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 Mar 17 to Nov 2, which provides a total of 230 days for growing.

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