This Rain Shadow Effect is responsible for large storms weakening as they head into the Treasure Valley from the south, leaving the valley dry.

In short: Since the 1990s Mareeba has welcomed visitors with signs that boast the town has 300 sunny days a year. A rain-shadow effect caused by the Great Dividing Range means Mareeba has less ...

Proudly boasting 300 sunny days a year, Mareeba, near the Atherton Tablelands on the range west of Cairns, is just 180 kilometres north of Australia's wettest town, Tully.