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Frost Dates for Preston, Lancashire, United Kingdom

Coordinates: 53.760, -2.707

Growing Season

The last spring air frost in Preston, Lancashire, United Kingdom typically occurs around May 13, and the first autumn air frost around Oct 12. This gives a frost-free growing season of approximately 152 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 19°C (66°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 13 (last spring) to Oct 12 (first autumn). Light ground frost (-1°C / 30°F): Apr 26 (last spring) to Oct 30 (first autumn). Hard ground frost (-2°C / 28°F): Mar 26 (last spring) to Dec 15 (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 13 to Oct 12, which provides approximately 151 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 26 to Oct 30, which provides a total of 187 days for growing.

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