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Frost Dates for Fremont, California, United States of America

Coordinates: 37.548, -121.988

Growing Season

The last spring air frost in Fremont, California, United States of America typically occurs around Apr 30, and the first autumn air frost around Nov 2. This gives a frost-free growing season of approximately 186 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 9a, where the average annual extreme minimum temperature is -6.7 to -3.9°C (20 to 25°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 28°C (82°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Apr 30 (last spring) to Nov 2 (first autumn). Light ground frost (-1°C / 30°F): Mar 11 (last spring) to Nov 28 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 9a

... 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 30 to Nov 2, which provides approximately 185 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 11 to Nov 28, which provides a total of 262 days for growing.

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