Why is it so cold in June and when will it warm up?

People across parts of the UK should be braced for more showery weather today as the unsettled and cold conditions continue. Although showers will ease today, temperatures will remain chilly for this time of year, with London only reaching 17°C compared to usual average of 20°C. The showers and breeze are only making conditions feel colder than they are, despite the month of May being the hottest on record. This is due to a change in the jet stream, which …