We strongly recommend using the appropriate tyre for each season. That means driving on summer tyres in the warmer time of the year and switching to winter tyres during the cold period. We believe all season tyres cannot provide adequate performance year-round in the UK.
Winter tyres are specifically designed to perform in all weather conditions when it is below 7oC, not just on snow. We recommend that you drive on summer tyres between March and October and winter tyres from October to March.