Frost Dates for Hamburg, Hamburg, Germany

Coordinates: 53.550, 10.000

Growing Season

The last spring air frost in Hamburg, Hamburg, Germany typically occurs around May 18, and the first autumn air frost around Sep 24. This gives a frost-free growing season of approximately 129 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 7b, where the average annual extreme minimum temperature is -15 to -12.2°C (5 to 10°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 0°C (32°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 18 (last spring) to Sep 24 (first autumn). Light ground frost (-1°C / 30°F): May 5 (last spring) to Oct 10 (first autumn). Hard ground frost (-2°C / 28°F): Apr 11 (last spring) to Nov 4 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 7b

... and the frost data for your area is ...

Current Risk Level: Unlikely (Safest)

for today based on past data only.

We predict a frost free growing season at your location from May 18 to Sep 24, which provides approximately 128 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 May 5 to Oct 10, which provides a total of 158 days for growing.

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