UK weather: Lowest temperature of -18.9C in Altnaharra on winter`s coldest night

UK weather: Lowest temperature of -18.9C in Altnaharra on winter`s coldest night

Coldest January night in 15 years as temperatures plummet to -18.9C

Coldest January night in 15 years as temperatures plummet to -18.9C

UK weather: Scottish hamlet reaches -18C in coldest January night in 15 years

UK weather: Scottish hamlet reaches -18C in coldest January night in 15 years