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Frost Dates for Wimbledon, Merton Greater London, United Kingdom

Coordinates: 51.429, -0.211

Growing Season

The last spring air frost in Wimbledon, Merton Greater London, United Kingdom typically occurs around May 12, and the first autumn air frost around Oct 15. This gives a frost-free growing season of approximately 156 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 July, 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 12 (last spring) to Oct 15 (first autumn). Light ground frost (-1°C / 30°F): Apr 25 (last spring) to Oct 30 (first autumn). Hard ground frost (-2°C / 28°F): Mar 18 (last spring) to Dec 7 (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 12 to Oct 15, which provides approximately 155 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 25 to Oct 30, which provides a total of 188 days for growing.

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