Frost Dates for Halifax, Nova Scotia, Canada

Coordinates: 44.650, -63.600

Growing Season

The last spring air frost in Halifax, Nova Scotia, Canada typically occurs around May 11, and the first autumn air frost around Oct 9. This gives a frost-free growing season of approximately 151 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 February, with an average low of -6°C (21°F). The warmest month is August, with an average high of 22°C (72°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 11 (last spring) to Oct 9 (first autumn). Light ground frost (-1°C / 30°F): Apr 28 (last spring) to Oct 21 (first autumn). Hard ground frost (-2°C / 28°F): Apr 5 (last spring) to Nov 8 (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: Hard Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from May 11 to Oct 9, which provides approximately 150 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 28 to Oct 21, which provides a total of 176 days for growing.

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