Frost Dates for Fareham, Hampshire, United Kingdom

Coordinates: 50.855, -1.199

Growing Season

The last spring air frost in Fareham, Hampshire, United Kingdom typically occurs around May 5, and the first autumn air frost around Oct 26. This gives a frost-free growing season of approximately 174 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 26 (first autumn). Light ground frost (-1°C / 30°F): Apr 17 (last spring) to Nov 16 (first autumn). Hard ground frost (-2°C / 28°F): Jan 20 (last spring) to Dec 27 (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 26, which provides approximately 173 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 17 to Nov 16, which provides a total of 213 days for growing.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Hard Ground Frost possible
  • Light Ground Frost possible
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostOct 26May 5
Light Ground FrostNov 16Apr 17
Hard Ground FrostDec 27Jan 20

Frost Dates for Fareham, Hampshire, United Kingdom | FrostDates.com