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Frost Dates for Falmouth, Massachusetts, United States of America

Coordinates: 41.551, -70.615

Growing Season

The last spring air frost in Falmouth, Massachusetts, United States of America typically occurs around Apr 17, and the first autumn air frost around Oct 15. This gives a frost-free growing season of approximately 181 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 7a, where the average annual extreme minimum temperature is -17.8 to -15°C (0 to 5°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 -2°C (28°F). The warmest month is July, with an average high of 25°C (77°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Apr 17 (last spring) to Oct 15 (first autumn). Light ground frost (-1°C / 30°F): Apr 6 (last spring) to Oct 24 (first autumn). Hard ground frost (-2°C / 28°F): Mar 17 (last spring) to Nov 12 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 7a

... 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 17 to Oct 15, which provides approximately 180 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 Apr 6 to Oct 24, which provides a total of 201 days for growing.

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