We’re less than a month away from the southern hemisphere winter. But you’d be forgiven for thinking summer was only last week. April was unseasonably warm and dry across Australia. Temperatures were above average or very much above average for most of the country. New South Wales had its second-driest April on record, while Bairnsdale in Victoria’s typically wet Gippsland region only recorded 5.4mm in rainfall in April, the lowest since since 1943. So why has the weather been so unseasonally w