Regardless of where you travel in Tasmania you should be prepared for sudden, temporary deterioration in the weather, especially if bushwalking. Always carry additional warm clothing, including a waterproof outer layer. read more
If you want somewhat guaranteed nice weather, I’d say late January to mid March is the best time of year, though generally pretty good into May. Too many people skip Tasmania, and this saddens me as it really is a unique and beautiful place with wildly different scenery and history relatively small area. read more
Tasmania has a cool temperate climate with four distinct seasons. The highest recorded maximum temperature in Tasmania is 42.2 °C (108.0 °F) at Scamander on 30 January 2009, during the 2009 southeastern Australia heat wave. Tasmania's lowest recorded minimum temperature is −13.0 °C (8.6 °F) on 30 June 1983, at Butlers Gorge, Shannon, and Tarraleah. read more