Lljubeljana, Slovenia, had its hottest March day (+25.3 °C/ 77.5 °F) on record, and now its coldest April night on record (-20.6 °C/ -5 °F).
There is going to be harsh frost damage to crops. Plants and insects (also fauna that thrive on both) would be hit incredibly hard, notes Scottish meteorologist Scott Duncan on Twitter.

It was ‘cold’ again today, 46 °F (8 °C), some 10 °F (5.5 °C) under the mean temperature for this time of year.