A record 3,000 people join the annual naked winter solstice swim, part of Hobart's Dark Mofo festival, facing temperatures of about 6C outside the water and about 12C in the River Derwent at the crack of dawn on Friday 'Push through the painful bit': record 3,000 people take nude Dark Mofo swim in Derwent On winter solstice the oranges on my tree reach their peak - but I always leave one fruit hanging, past its prime