Frost Dates for Brussels, Belgium

Coordinates: 50.833, 4.333

Growing Season

The last spring air frost in Brussels, Belgium typically occurs around May 6, and the first autumn air frost around Oct 6. This gives a frost-free growing season of approximately 153 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 8a, where the average annual extreme minimum temperature is -12.2 to -9.4°C (10 to 15°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 1°C (34°F). The warmest month is August, with an average high of 23°C (73°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 6 (last spring) to Oct 6 (first autumn). Light ground frost (-1°C / 30°F): Apr 22 (last spring) to Oct 22 (first autumn). Hard ground frost (-2°C / 28°F): Mar 22 (last spring) to Nov 23 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 8a

... 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 May 6 to Oct 6, which provides approximately 152 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 22 to Oct 22, which provides a total of 183 days for growing.

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