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Frost Dates for Basingstoke, Hampshire, United Kingdom

Coordinates: 51.268, -1.091

Growing Season

The last spring air frost in Basingstoke, Hampshire, United Kingdom typically occurs around May 21, and the first autumn air frost around Oct 10. This gives a frost-free growing season of approximately 142 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 22°C (72°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 21 (last spring) to Oct 10 (first autumn). Light ground frost (-1°C / 30°F): May 4 (last spring) to Oct 25 (first autumn). Hard ground frost (-2°C / 28°F): Apr 5 (last spring) to Dec 4 (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: Light Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from May 21 to Oct 10, which provides approximately 141 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 4 to Oct 25, which provides a total of 174 days for growing.

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