Frost Dates for Dordrecht, South Holland, Netherlands

Coordinates: 51.810, 4.674

Growing Season

The last spring air frost in Dordrecht, South Holland, Netherlands typically occurs around May 3, and the first autumn air frost around Oct 10. This gives a frost-free growing season of approximately 160 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 8b, where the average annual extreme minimum temperature is -9.4 to -6.7°C (15 to 20°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 (36°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 3 (last spring) to Oct 10 (first autumn). Light ground frost (-1°C / 30°F): Apr 18 (last spring) to Oct 27 (first autumn). Hard ground frost (-2°C / 28°F): Mar 14 (last spring) to Dec 2 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 8b

... 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 3 to Oct 10, which provides approximately 159 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 18 to Oct 27, which provides a total of 192 days for growing.

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