Why is it so cold in June? Blame it on the jet stream

Britons will have to hold out until July for a taste of warmer weather as cold winds blow in from the Arctic, the Met Office has said. Forecasters have said that temperatures in the UK have been consistently three to five degrees below the seasonal average in the past week. This is due to the mid-Atlantic jet stream, a fast-moving atmospheric wind, directing cold air from the north to the south across the UK and keeping temperatures lower. The meteorologists …