Frost Dates for Waterlooville, Hampshire, United Kingdom

Coordinates: 50.881, -1.028

Growing Season

The last spring air frost in Waterlooville, Hampshire, United Kingdom typically occurs around May 5, and the first autumn air frost around Oct 24. This gives a frost-free growing season of approximately 172 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 9a, where the average annual extreme minimum temperature is -6.7 to -3.9°C (20 to 25°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 4°C (39°F). The warmest month is July, with an average high of 21°C (70°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 5 (last spring) to Oct 24 (first autumn). Light ground frost (-1°C / 30°F): Apr 18 (last spring) to Nov 15 (first autumn). Hard ground frost (-2°C / 28°F): Jan 22 (last spring) to Dec 26 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone: USDA Growing Zone - 9a

... 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 5 to Oct 24, which provides approximately 171 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 Nov 15, which provides a total of 211 days for growing.

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